부산대학교 도서관

Ginekologia po Dyplomie. 20(3):1-39

Sitras, V; Vander Haar, E; Bussel, JB; Abshier-Ware, C; Allen, GM; Alson, Sara; Black, D.; Dhanraj, D; Gupta, A; Hart, LA; Kohari, K; Lambert, C; Litorp, H; Mendez-Figueroa, H; McFarland, EA; Nanda, S; Paidas, MJ; Perry, R; Pothof, R; Schleussner, E; Skupski, DW; Swarup, M; Tiller, H; Thorp, J; Wiberg-Itzel, E.; Williams, S; Lawrence, L; Bombara, M; Armstrong, R.; Verweij, EJT; Miller, R.

22nd World Congress in Fetal Medicine 2025. (22)

Metz, TD; Kuo, H-C; Harper, L; Sibai, B; Longo, S; Saade, GR; Dugoff, L; Aagaard, K; Boggess, K; Lawrence, K; Hughes, BL; Bell, J; Edwards, RK; Gibson, KS; Haas, DM; Plante, L; Casey, B; Esplin, S; Hoffman, MK; Hoppe, KK; Foroutan, J; Tuuli, M; Owens, MY; Simhan, HN; Frey, H; Rosen, T; Palatnik, A; Baker, S; August, P; Reddy, UM; Kinzler, W; Su, EJ; Krishna, I; Nguyen, NA; Norton, ME; Skupski, D; El-Sayed, YY; Ogunyemi, D; Librizzi, R; Pereira, L; Magann, EF; Habli, M; Williams, S; Mari, G; Pridjian, G; McKenna, DS; Parrish, M; Chang, E; Quiñones, J; Galis, ZS; Ambalavanan, N; Sinkey, RG; Szychowski, JM; Tita, ATN

Obstetric Anesthesia Digest. Jun 01, 2025 45(2):90-90

Townsend R.; Duffy J. M. N.; Sileo F.; Perry H.; Ganzevoort W.; Reed K.; Baschat A. A.; Deprest J.; Gratacos E.; Hecher K.; Lewi L.; Lopriore E.; Oepkes D.; Papageorghiou A.; Gordijn S. J.; Khalil A.; Baschat A.; Perales-Marin A.; Johnson A.; Silvana A.; Papageorghious A.; Khurana A.; Trinder B.; Combs C. A.; Bailie C.; Huddy C.; Bolch C.; Coutinho C. M.; Skupski D.; Hake D.; Schlembach D.; Lindahl E.; Carreras E.; Mantovani E.; Giallongo E.; Marler E.; Bertucci E.; Prefumo F.; Sileo F. G.; Guy G.; Rizzo G.; King H.; Valensise H.; Samarage H.; Duffy J.; Denton J.; Curado J.; Marsden J.; Tolosa J. E.; Toms J.; Copel J.; Richards J.; Ishii K.; Palmer K.; Watkins K.; McGrath L.; Canolini L.; Dhuri M. V.; Kyriakidou M.; Lanna M.; Treadwell M.; Watson M.; Rankin M.; Fenwick N.; Moore P.; O'Brien P.; Cincotta R.; Linton S.; Robinson S.; McSorley T.; Fuchs T.; Ghi T.; Omosebi W.; Acheampong Y.

Ultrasound in Obstetrics & Gynecology. 55:652-660

Metz, Torri D.; Clifton, Rebecca G.; Gallagher, Richard; Gross, Rachel S.; Horwitz, Leora I.; Jacoby, Vanessa L.; Martin-Herz, Susanne P.; Peralta-Carcelen, Myriam; Reeder, Harrison T.; Beamon, Carmen J.; Chan, James; Chang, A. Ann; Costantine, Maged M.; Fitzgerald, Megan L.; Foulkes, Andrea S.; Gibson, Kelly S.; Güthe, Nick; Habli, Mounira; Hackney, David N.; Hoffman, Matthew K.; Hoffman, M. Camille; Hughes, Brenna L.; Katz, Stuart D.; Laleau, Victoria; Mallett, Gail; Mendez-Figueroa, Hector; Monzon, Vanessa; Palatnik, Anna; Palomares, Kristy T. S.; Parry, Samuel; Pettker, Christian M.; Plunkett, Beth A.; Poppas, Athena; Reddy, Uma M.; Rouse, Dwight J.; Saade, George R.; Sandoval, Grecio J.; Schlater, Shannon M.; Sciurba, Frank C.; Simhan, Hyagriv N.; Skupski, Daniel W.; Sowles, Amber; Thaweethai, Tanayott; Thomas, Gelise L.; Thorp, John M.; Tita, Alan T.; Weiner, Steven J.; Weigand, Samantha; Yee, Lynn M.; Flaherman, Valerie J.

PLoS ONE. December 21, 2023, Vol. 18 Issue 12, e0285351

Grantz KL; Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Dr., MSC 7004, Bethesda, MD 20892. Electronic address: katherine.grantz@nih.gov.; Gleason JL; Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, 6710B Rockledge Dr., MSC 7004, Bethesda, MD 20892.; Grobman WA; Department of Obstetrics and Gynecology, Warren Alpert School of Medicine, Brown University, Providence, RI.; Newman RB; Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, SC.; Owen J; Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, AL.; Skupski D; Department of Obstetrics and Gynecology, New York Presbyterian Queens, Flushing, NY.; Sciscione A; Department of Obstetrics and Gynecology, Christiana Care Health System Obstetrics and Gynecology, Newark, DE.; Ranzini AC; Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, The MetroHealth System/Case Western Reserve University, Cleveland, OH.; Nageotte MP; Department of Obstetrics and Gynecology, Miller Children's and Women's Hospital Long Beach and Long Beach Memorial Medical Center, Long Beach, CA.; Zhang C; Global Center for Asian Women's Health (GloW) and Bia-Echo Asia Centre for Reproductive Longevity & Equality (ACRLE), Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.; Kim S; Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD.; Albert P; Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, MD.; He D; The Prospective Group, Inc., Fairfax, VA; Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD.; Chen Z; Biostatistics and Bioinformatics Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD.

Publisher: Elsevier Country of Publication: United States NLM ID: 0370476 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-6868 (Electronic) Linking ISSN: 00029378 NLM ISO Abbreviation: Am J Obstet Gynecol Subsets: MEDLINE

Boggess K; University of North Carolina at Chapel Hill, Chapel Hill, North Carolina; Duke University, Durham, North Carolina; the University of Alabama at Birmingham, Birmingham, and South Alabama University, Mobile, Alabama; the University of Pennsylvania, Philadelphia, St. Luke's University Health Network, Bethlehem, Penn State University, University Park, and Magee-Womens Hospital, Pittsburgh, Pennsylvania; the University of Houston and HCA Healthcare, Houston, and the University of Texas, Austin, Texas; the University of Florida, Gainesville, Florida; MetroHealth, Cleveland, The Ohio State University, Columbus, Cincinnati Children's Hospital, Cincinnati, and Premier Health, Dayton, Ohio; Indiana University, Indianapolis, Indiana; the University of Utah, Salt Lake, Utah; Ochsner Health and Tulane University, New Orleans, Louisiana; West Virginia University, Morgantown, West Virginia; Eastern Virginia Medical School, Norfolk, Virginia; the University of Wisconsin, Madison, and the Medical College of Wisconsin, Milwaukee, Wisconsin; Saint Peter's University Hospital and Rutgers University, New Brunswick, New Jersey; the University of Mississippi, Jackson, Mississippi; NYU Langone Health, Garden City, and Cornell University, New York, New York; the University of Colorado, Aurora, Colorado; Emory University, Atlanta, Georgia; the University of California, San Francisco, San Francisco, and Stanford University, Stanford, California; Oregon Health & Science University, Portland, Oregon; the Medical University of South Carolina, Charleston, South Carolina; Vanderbilt University, Nashville, Tennessee; and the National Institutes of Health, Bethesda, Maryland.; Leach J; Dugoff L; Sibai B; Hughes BL; Bell J; Aagaard K; Edwards R; Gibson K; Haas DM; Plante L; Metz T; Casey B; Longo S; Hoffman MK; Saade GR; Hoppe KK; Foroutan J; Owens M; Simhan HN; Frey H; Rosen T; Palatnik A; Baker S; Kinzler W; Su E; Krishna I; Norton ME; Skupski D; El-Sayed YY; Librizzi R; Pereira L; Habli M; Williams S; Pridijan G; McKenna DS; Chang E; Osmundson S; Galis Z; Harper L; Ambalavanan N; Szychowski J; Tita A

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401101 Publication Model: Electronic Cited Medium: Internet ISSN: 1873-233X (Electronic) Linking ISSN: 00297844 NLM ISO Abbreviation: Obstet Gynecol Subsets: MEDLINE

Moore MD; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, St. Luke's University Health Network, Bethlehem, Magee Women's Hospital and University of Pittsburgh, Pittsburgh, and Lehigh Valley Health Network, Allentown, Pennsylvania, University of Texas at Houston and Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University, New York, Winthrop University Hospital, Long Island, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma, Oklahoma City, Oklahoma, MetroHealth System, Cleveland, The Ohio State University, Columbus, and Wright State University, Fairborn, Ohio, Indiana University, Indianapolis, Indiana, University of Utah Health, Salt Lake City, Utah, Christiana Care Health Services, Newark, Delaware, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, and Medical College of Wisconsin, Milwaukee, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health Hospital, Denver, Colorado, Emory University, Atlanta, Georgia, University of California, San Francisco, San Francisco, and Stanford University, Stanford, California, Arrowhead Regional Medical Center/Beaumont Hospital, Detroit, Michigan, Virtua Health, Voorhees, New Jersey, Oregon Health & Science University, Portland, Oregon, University of Arkansas for Medical Sciences, Little Rock, Arkansas, University of Tennessee Health Science Center, Memphis, and Vanderbilt University Medical Center, Nashville, Tennessee, Tulane University, New Orleans, Louisiana, University of Kansas Medical Center, Kansas City, Kansas, and Medical University of South Carolina, Charleston, South Carolina; the Center for Women's Reproductive Health, the Department of Biostatistics, and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; Penn State College of Medicine, Hershey, Pennsylvania; Intermountain Health, Salt Lake City, Utah; Ochsner Baptist Medical Center, New Orleans, Louisiana; St. Peters University Hospital and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Newark, and the Department of Obstetrics, Gynecology and Reproductive Sciences, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey; Weill Cornell University, New York, New York; Zuckerberg San Francisco General Hospital, San Francisco, California; TriHealth, Cincinnati Children's Hospital, Cincinnati, Ohio; the Division of Cardiovascular Sciences, NHLBI, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Kuo HC; Sinkey RG; Boggess K; Dugoff L; Sibai B; Lawrence K; Hughes BL; Bell J; Aagaard K; Edwards RK; Gibson KS; Haas DM; Plante L; Metz TD; Casey B; Esplin S; Longo S; Hoffman MK; Saade GR; Hoppe KK; Foroutan J; Tuuli M; Owens MY; Simhan HN; Frey HA; Rosen T; Palatnik A; Baker S; August P; Reddy UM; Kinzler W; Su EJ; Krishna I; Nguyen NA; Norton ME; Skupski D; El-Sayed YY; Ogunyemi D; Librizzi R; Pereira L; Magann EF; Habli M; Williams S; Mari G; Pridjian G; McKenna DS; Parrish M; Chang E; Osmundson S; Quiñones JN; Leach J; Sanusi A; Galis ZS; Harper L; Ambalavanan N; Szychowski JM; Tita ATN

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401101 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-233X (Electronic) Linking ISSN: 00297844 NLM ISO Abbreviation: Obstet Gynecol Subsets: MEDLINE

Sanusi AA; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Leach J; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Boggess K; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Dugoff L; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Sibai B; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Lawrence K; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Hughes BL; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Bell J; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Aagaard K; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Edwards RK; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Gibson KS; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Haas DM; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Plante L; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Metz TD; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Casey B; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Esplin S; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Longo S; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Hoffman MK; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Saade GR; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Hoppe KK; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Foroutan J; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Tuuli M; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Owens MY; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Simhan HN; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Frey H; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Rosen T; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Palatnik A; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Baker S; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; August P; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Reddy UM; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Su EJ; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Krishna I; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Nguyen NA; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Norton ME; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Skupski D; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; El-Sayed YY; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Ogunyemi D; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Galis ZS; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Harper L; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Ambalavanan N; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Geller NL; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Kuo HC; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Sinkey RG; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Librizzi R; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Pereira L; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Magann EF; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Habli M; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Williams S; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Mari G; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Pridjian G; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; McKenna DS; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Parrish M; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Eugene Chang; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Osmundson S; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Quinones J; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Szychowski JM; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Tita ATN; Departments of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston and the Division of Maternal-Fetal Medicine, Baylor College of Medicine and Texas Children's Hospital, Houston, and University of Texas Medical Branch, Galveston, Texas, Columbia University and Weill Cornell University, New York, and New York Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah and Intermountain Healthcare, Salt Lake City, Utah, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, Wisconsin, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia.; University of California San Francisco, San Francisco, and Stanford University, Stanford, California, and Arrowhead Regional Medical Center/Beaumont Hospital, Michigan, Detroit, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics and the Division of Neonatology, Department of Pediatrics, University of Alabama at Birmingham, Birmingham, Alabama; St. Luke's University Health Network, Bethlehem, Pennsylvania; MetroHealth System, Cleveland, Ohio; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences and the Office of Biostatistics Research, National Heart, Lung, and Blood Institute, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401101 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-233X (Electronic) Linking ISSN: 00297844 NLM ISO Abbreviation: Obstet Gynecol Subsets: MEDLINE

Martin SL; Department of Obstetrics and Gynecology, University of Alabama at Birmingham, Birmingham, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina, University of Pennsylvania, Philadelphia, Pennsylvania, University of Texas at Houston, Houston, Texas, Columbia University, New York, New York, Duke University, Durham, North Carolina, St. Luke's University Health Network, Bethlehem, Pennsylvania, Baylor College of Medicine and Texas Children's Hospital, Houston, Texas, Metro Health/Case Western University, Cleveland, Ohio, Indiana University, Indianapolis, Indiana, Drexel University College of Medicine, Philadelphia, Pennsylvania, University of Utah Health, Salt Lake City, Utah, University of Texas Southwestern, Dallas, Texas, Intermountain Healthcare, Salt Lake City, Utah, Ochsner Health, New Orleans, Louisiana, University of Texas Medical Branch, Galveston, Texas, St. Peters University Hospital, New Brunswick, New Jersey, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, Brunswick, New Jersey, Medical College of Wisconsin, Milwaukee, Wisconsin, University of South Alabama at Mobile, Mobile, Alabama, Weill Cornell University, New York City, New York, Yale University, New Haven, Connecticut, NYU Langone Hospital-Long Island, Mineola, New York, University of Colorado, Aurora, Colorado, Emory University, Atlanta, Georgia, Denver Health, Denver, Colorado, University of California, San Francisco, San Francisco, California, NewYork-Presbyterian Queens Hospital, Flushing, New York, Stanford University, Stanford, California, Arrowhead Regional Medical Center, Colton, California, Tulane University, New Orleans, Louisiana, Wright State University and Miami Valley Hospital, Dayton, Ohio, University of Kansas Medical Center, Kansas City, Kansas, Medical University of South Carolina, Charleston, South Carolina, Vanderbilt University School of Medicine, Nashville, Tennessee, and Tufts University School of Medicine, Boston, Massachusetts; Beaumont Hospital, Grand Rapids, Michigan; the Center for Women's Reproductive Health, the Department of Biostatistics, the Department of Pediatrics, and the Department of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, Alabama; the Christiana Care Center for Women's and Children Health Research, Newark, Delaware; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, Bethesda, Maryland; Virtua Health, Marlton, New Jersey; Oregon Health and Science University, Portland, Oregon; the Department of Obstetrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Fetal Care Center of Cincinnati, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Good Samaritan Hospital, Cincinnati, Ohio; the Department of Obstetrics, Gynecology and Women's Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; Obstetrics and Gynecology/Maternal-Fetal Medicine, University of Tennessee Health Science Center, Memphis, Tennessee; the Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; and Obstetrics and Gynecology and Women's Health Institute, Cleveland Clinic, Cleveland, Ohio.; Kuo HC; Boggess K; Dugoff L; Sibai B; Lawrence K; Hughes BL; Bell J; Aagaard K; Gibson KS; Haas DM; Plante L; Metz TD; Casey BM; Esplin S; Longo S; Hoffman M; Saade GR; Foroutan J; Tuuli MG; Owens MY; Simhan HN; Frey HA; Rosen T; Palatnik A; Baker S; August P; Reddy UM; Kinzler W; Su EJ; Krishna I; Nguyen N; Norton ME; Skupski D; El-Sayed YY; Ogunyemi D; Galis ZS; Ambalavanan N; Oparil S; Librizzi R; Pereira L; Magann EF; Habli M; Williams S; Mari G; Pridjian G; McKenna DS; Parrish M; Chang E; Osmundson S; Quinones J; Werner E; Szychowski JM; Tita ATN

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401101 Publication Model: Print Cited Medium: Internet ISSN: 1873-233X (Electronic) Linking ISSN: 00297844 NLM ISO Abbreviation: Obstet Gynecol Subsets: MEDLINE

Metz TD; Departments of Obstetrics and Gynecology, University of Utah, Salt Lake City, Utah, University of Texas at Houston, Houston, and University of Texas Medical Branch, Galveston, Texas, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, Columbia University and Weill Cornell University, New York, and NYU Langone Hospital-Long Island, Long Island, and NewYork-Presbyterian Queens Hospital, Flushing, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Alabama at Birmingham, Birmingham, and University of South Alabama at Mobile, Mobile, Alabama, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison, and Medical College of Wisconsin, Milwaukee, Wisconsin, Washington University, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, and Wright State University and Miami Valley Hospital, Dayton, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia, University of California, San Francisco, San Francisco, Stanford University, Stanford, and Arrowhead Regional Medical Center, Colton, California, Beaumont Hospital, Michigan, Grosse Pointe, Michigan, Oregon Health & Science University, Portland, Oregon, Tulane University, New Orleans, Louisiana, and University of Kansas Medical Center, Kansas City, Kansas; the Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, and the Department of Women's Health, University of Texas at Austin, Austin, Texas; the Department of Biostatistics, the Division of Neonatology, Department of Pediatrics, and the Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama; Ochsner Baptist Medical Center, New Orleans, Louisiana; St. Luke's University Health Network, Fountain Hill, and the Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; MetroHealth System, Cleveland, and the Fetal Care Center of Cincinnati, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; Intermountain Healthcare, Ogden, Utah; Christiana Care Health Services, Newark, Delaware; St. Peters University Hospital, New Brunswick, Virtua Health, Marlton, and the Department of Obstetrics, Gynecology and Women's Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; Zuckerberg San Francisco General Hospital, San Francisco, California; the Department of Obstetrics, University of Arkansas for Medical Sciences, Little Rock, Arkansas; Obstetrics and Gynecology/Maternal-Fetal Medicine, University of Tennessee Health Science Center, Memphis, Tennessee; Medical University of South Carolina, Charleston, South Carolina; and the Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute, Bethesda, Maryland.; Kuo HC; Harper L; Sibai B; Longo S; Saade GR; Dugoff L; Aagaard K; Boggess K; Lawrence K; Hughes BL; Bell J; Edwards RK; Gibson KS; Haas DM; Plante L; Casey B; Esplin S; Hoffman MK; Hoppe KK; Foroutan J; Tuuli M; Owens MY; Simhan HN; Frey H; Rosen T; Palatnik A; Baker S; August P; Reddy UM; Kinzler W; Su EJ; Krishna I; Nguyen NA; Norton ME; Skupski D; El-Sayed YY; Ogunyemi D; Librizzi R; Pereira L; Magann EF; Habli M; Williams S; Mari G; Pridjian G; McKenna DS; Parrish M; Chang E; Quiñones J; Galis ZS; Ambalavanan N; Sinkey RG; Szychowski JM; Tita ATN

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401101 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-233X (Electronic) Linking ISSN: 00297844 NLM ISO Abbreviation: Obstet Gynecol Subsets: MEDLINE

Martin SL; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Leach JM; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Sinkey R; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Boggess K; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Dugoff L; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Sibai B; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Hughes BL; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Bell J; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Aagaard K; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Edwards R; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Gibson KS; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Haas DM; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Plante L; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Metz TD; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Casey BM; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Longo S; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Saade GR; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Hoppe K; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Tuuli MG; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Owens MY; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Frey HA; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Rosen T; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Palatnik A; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Su EJ; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Krishna I; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Skupski D; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; El-Sayed YY; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Pereira L; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Magaan EF; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Habli M; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Williams S; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Pridjan G; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Parrish M; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Chang E; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Quinones J; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Kuo HC; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Szychowski JM; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Tita ATN; Department of Obstetrics and Gynecology, the Center for Women's Reproductive Health, and the Department of Biostatistics, University of Alabama at Birmingham, Birmingham, Alabama; the Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, and the Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, the Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, the Department of Obstetrics and Gynecology, Drexel University College of Medicine, Philadelphia, and the Department of Obstetrics and Gynecology, Lehigh Valley Health Network, Allentown, Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas at Houston, and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston, the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, and the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston, Texas; HCA Healthcare and HCA Research Institute, Nashville, Tennessee; Maternal Fetal Care Center, Division of Fetal Medicine & Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma; the Department of Obstetrics and Gynecology, MetroHealth/Case Western University, Cleveland, the Department of Obstetrics and Gynecology, The Ohio State University, Columbus, and the Division of Maternal-Fetal Medicine, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio; the Department of Obstetrics and Gynecology, Indiana University, Indianapolis, Indiana; the Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, Utah; the Department of Obstetrics and Gynecology, Ochsner Health, and the Department of Obstetrics & Gynecology, Tulane University, New Orleans, Louisiana; the Department of Obstetrics and Gynecology, University of Wisconsin-Madison, and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, Wisconsin; the Department of Obstetrics and Gynecology, Washington University in St. Louis, St. Louis, Missouri; the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, Mississippi; the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University, Brunswick, and the Department of Obstetrics, Gynecology and Reproductive Health, New Jersey Medical School, Rutgers Biomedical and Health Sciences, Newark, New Jersey; the Department of Obstetrics and Gynecology, University of Colorado, Aurora, Colorado; the Department of Obstetrics and Gynecology, Emory University, Atlanta, Georgia; the Department of Obstetrics and Gynecology, NewYork Presbyterian-Queens Hospital, Flushing, New York; the Department of Obstetrics and Gynecology, Stanford University, Stanford, California; the Oregon Health & Science University, Portland, Oregon; the Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences, Little Rock, Arkansas; the Department of Obstetrics and Gynecology, University of Kansas Medical Center, Kansas City, Kansas; and the Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.

Publisher: Wolters Kluwer Health, Inc Country of Publication: United States NLM ID: 9918787579406676 Publication Model: eCollection Cited Medium: Internet ISSN: 2994-9726 (Electronic) Linking ISSN: 29949726 NLM ISO Abbreviation: O G Open Subsets: PubMed not MEDLINE

Grantz KL; Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.; Ville MS; Biostatistics and Bioinformatics Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.; Gleason J; Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.; He D; Epidemiology Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.; The Prospective Group, Inc., Fairfax, Virginia.; Grobman WA; Warren Alpert School of Medicine, Brown University, Providence, Rhode Island.; Skupski D; Department of Obstetrics and Gynecology, New York Presbyterian Queens, Flushing, New York.; Newman RB; Department of Obstetrics and Gynecology, Medical University of South Carolina, Charleston, South Carolina.; Owen J; Department of Obstetrics and Gynecology, University of Alabama, Birmingham, Alabama.; Chien EK; Department of Obstetrics and Gynecology, Cleveland Clinic, Cleveland, Ohio.; Ranzini AC; Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, The MetroHealth System/Case Western Reserve University, Cleveland, Ohio.; Kim S; Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.; Albert PS; Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, Bethesda, Maryland.; Grewal J; Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.; Chen Z; Biostatistics and Bioinformatics Branch, Division of Population Health Research, Division of Intramural Research, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland.

Publisher: Thieme-Stratton Country of Publication: United States NLM ID: 8405212 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1098-8785 (Electronic) Linking ISSN: 07351631 NLM ISO Abbreviation: Am J Perinatol Subsets: MEDLINE

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Science, 2001 Feb . 291(5507), 1304-1351.

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Science, 2000 Mar . 287(5461), 2185-2195.

Rubin, Gerald M.; Yandell, Mark D.; Wortman, Jennifer R.; Nelson, Catherine R.; Hariharan, Iswar K.; Fortini, Mark E.; Li, Peter W.; Apweiler, Rolf; Fleischmann, Wolfgang; Cherry, J. Michael; Henikoff, Steven; Skupski, Marian P.; Misra, Sima; Ashburner, Michael; Birney, Ewan; Boguski, Mark S.; Brody, Thomas; Brokstein, Peter; Celniker, Susan E.; Chervitz, Stephen A.; Coates, David; Cravchik, Anibal; Gabrielian, Andrei; Galle, Richard F.; Gelbart, William M.; George, Reed A.; Gong, Fangcheng; Guan, Ping; Harris, Nomi L.; Hay, Bruce A.; Hoskins, Roger A.; Li, Jiayin; Li, Zhenya; Hynes, Richard O.; Jones, S. J. M.; Kuehl, Peter M.; Lemaitre, Bruno; Littleton, J. Troy; Morrison, Deborah K.; Mungall, Chris; O'Farrell, Patrick H.; Pickeral, Oxana K.; Shue, Chris; Vosshall, Leslie B.; Zhang, Jiong; Zhao, Qi; Zheng, Xiangqun H.; Zhong, Fei; Zhong, Wenyan; Gibbs, Richard; Venter, J. Craig; Adams, Mark D.; Lewis, Suzanna

Science, 2000 Mar . 287(5461), 2204-2215.

Bailey EJ; Departments of Obstetrics and Gynecology, University of Wisconsin, Madison, and Medical College of Wisconsin, Milwaukee, Wisconsin, University of Alabama at Birmingham, Birmingham, and University of South Alabama, Mobile, Alabama, University of North Carolina at Chapel Hill, Chapel Hill, and Duke University, Durham, North Carolina, University of Pennsylvania and Drexel University College of Medicine, Philadelphia, St. Luke's University Health Network, Fountain Hill, and Magee Women's Hospital and University of Pittsburgh, Pittsburgh, Pennsylvania, University of Texas at Houston, Baylor College of Medicine, and Texas Children's Hospital, Houston, UTSouthwestern Medical Center, Dallas, and University of Texas Medical Branch, Galveston, Texas, Columbia University, New York, NYU Langone Hospital-Long Island, Mineola, and NewYork-Presbyterian Queens Hospital, Queens, New York, University of Oklahoma Health Sciences, Oklahoma City, Oklahoma, Indiana University, Indianapolis, Indiana, University of Utah Health, Salt Lake City, Utah, Washington University in St. Louis, St. Louis, Missouri, University of Mississippi Medical Center, Jackson, Mississippi, The Ohio State University, Columbus, Ohio, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, New Jersey, Yale University, New Haven, Connecticut, University of Colorado, Aurora, and Denver Health, Denver, Colorado, Emory University, Atlanta, Georgia, University of California, San Francisco, San Francisco, Stanford University, Palo Alto, and Arrowhead Regional Medical Center, Colton, California, and Beaumont Hospital, Royal Oak, Michigan; the Department of Biostatistics, the Division of Neonatology, Department of Pediatrics, the Division of Cardiovascular Disease, Department of Medicine, and the Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, Alabama; MetroHealth System, Cleveland, Ohio; Intermountain Healthcare, Salt Lake City, Utah; Ochsner Baptist Medical Center, New Orleans, Louisiana; Christiana Care Health Services, Newark, Delaware; St. Peter's University Hospital, New Brunswick, New Jersey; Weill Cornell Medicine, New York, New York; Zuckerberg San Francisco General Hospital, San Francisco, California; the Division of Cardiovascular Sciences, NHLBI, Bethesda, Maryland; and the Department of Women's Health, University of Texas at Austin, Austin, Texas.; Tita ATN; Leach J; Boggess K; Dugoff L; Sibai B; Lawrence K; Hughes BL; Bell J; Aagaard K; Edwards RK; Gibson K; Haas DM; Plante L; Metz TD; Casey BM; Esplin S; Longo S; Hoffman M; Saade GR; Foroutan J; Tuuli MG; Owens MY; Simhan HN; Frey HA; Rosen T; Palatnik A; Baker S; August P; Reddy UM; Kinzler W; Su EJ; Krishna I; Nguyen N; Norton ME; Skupski D; El-Sayed YY; Ogunyemi D; Galis ZS; Harper L; Ambalavanan N; Oparil S; Kuo HC; Szychowski JM; Hoppe K

Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0401101 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1873-233X (Electronic) Linking ISSN: 00297844 NLM ISO Abbreviation: Obstet Gynecol Subsets: MEDLINE

Peaceman, A.; Plunkett, B.; Paycheck, K.; Dinsmoor, M.; Harris, S.; Sheppard, J.; Biggio, J.; Harper, L.; Longo, S.; Servay, C.; Varner, M.; Sowles, A.; Coleman, K.; Atkinson, D.; Stratford, J.; Dellermann, S.; Meadows, C.; Esplin, S.; Martin, C.; Peterson, K.; Stradling, S.; Willson, C.; Lyell, D.; Girsen, A.; Knapp, R.; Gyamfi, C.; Bousleiman, S.; Perez-Delboy, A.; Talucci, M.; Carmona, V.; Plante, L.; Tocci, C.; Leopanto, B.; Hoffman, M.; Dill-Grant, L.; Palomares, K.; Otarola, S.; Skupski, D.; Chan, R.; Allard, D.; Gelsomino, T.; Rousseau, J.; Beati, L.; Milano, J.; Werner, E.; Salazar, A.; Costantine, M.; Chiossi, G.; Pacheco, L.; Saad, A.; Munn, M.; Jain, S.; Clark, S.; Clark, K.; Boggess, K.; Timlin, S.; Eichelberger, K.; Moore, A.; Beamon, C.; Byers, H.; Ortiz, F.; Garcia, L.; Sibai, B.; Bartholomew, A.; Buhimschi, C.; Landon, M.; Johnson, F.; Webb, L.; McKenna, D.; Fennig, K.; Snow, K.; Habli, M.; McClellan, M.; Lindeman, C.; Dalton, W.; Hackney, D.; Cozart, H.; Mayle, A.; Mercer, B.; Moseley, L.; Gerald, J.; Fay-Randall, L.; Garcia, M.; Sias, A.; Price, J.; Hale, K.; Phipers, J.; Heyborne, K.; Craig, J.; Parry, S.; Sehdev, H.; Bishop, T.; Ferrara, J.; Bickus, M.; Caritis, S.; Thom, E.; Doherty, L.; de Voest, J.; Grobman, William A. ; Sandoval, Grecio ; Reddy, Uma M. ; Tita, Alan T.N. ; Silver, Robert M. ; Mallett, Gail ; Hill, Kim ; Rice, Madeline Murguia ; El-Sayed, Yasser Y. ; Wapner, Ronald J. ; Rouse, Dwight J. ; Saade, George R. ; Thorp, John M., Jr. ; Chauhan, Suneet P. ; Iams, Jay D. ; Chien, Edward K. ; Casey, Brian M. ; Gibbs, Ronald S. ; Srinivas, Sindhu K. ; Swamy, Geeta K. ; Simhan, Hyagriv N. ; Macones, George A.

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NEW ENGLAND JOURNAL OF MEDICINE; APR 2 2022, 12p.

Harper LM; Department of Women's Health, University of Texas at Austin, Austin, TX. Electronic address: lorie.harper@austin.utexas.edu.; Kuo HC; Department of Biostatistics, University of Alabama at Birmingham, Birmingham, AL.; Boggess K; Department of Obstetrics and Gynecology, University of North Carolina Chapel Hill, Chapel Hill, NC.; Dugoff L; Department of Obstetrics and Gynecology, University of Pennsylvania, Philadelphia, PA.; Sibai B; Department of Obstetrics and Gynecology, University of Texas at Houston, Houston, TX.; Lawrence K; Department of Obstetrics and Gynecology, Columbia University, New York, NY.; Hughes BL; Department of Obstetrics and Gynecology, Duke University, Durham, NC.; Bell J; Department of Obstetrics and Gynecology, St. Luke's University Health Network, Bethlehem, PA.; Aagaard K; Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital and HCA Healthcare and HCA Healthcare Research Institute, Nashville, TN; HCA Texas Maternal Fetal Medicine, Houston, TX.; Edwards RK; Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City, OK.; Gibson KS; MetroHealth System, Cleveland, OH.; Haas DM; Department of Obstetrics and Gynecology, Indiana University, Bloomington, IN.; Plante L; Department of Obstetrics and Gynecology, Pennsylvania State College of Medicine, Hershey, PA.; Metz TD; Department of Obstetrics and Gynecology, University of Utah Health, Salt Lake City, UT.; Casey BM; Department of Obstetrics and Gynecology, University of Texas Southwestern, Dallas, TX.; Esplin S; Department of Obstetrics & Gynecology, Intermountain Healthcare, Salt Lake City, UT.; Longo S; Department of Obstetrics and Gynecology, Ochsner Baptist Medical Center, New Orleans, LA.; Hoffman M; Department of Obstetrics and Gynecology, Christiana Care Health Services, Newark, DE.; Saade GR; Department of Obstetrics and Gynecology, Eastern Virginia Medical Center, Norfolk, VA.; Hoppe K; Department of Obstetrics and Gynecology, University of Wisconsin, Madison, WI.; Foroutan J; Department of Obstetrics and Gynecology, St. Peters University Hospital, New Brunswick, NJ.; Tuuli MG; Department of Obstetrics and Gynecology, Washington University, St. Louis, MO.; Owens MY; Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson, MS.; Simhan HN; Department of Obstetrics and Gynecology, Magee Women's Hospital and University of Pittsburgh, Pittsburgh, PA.; Frey HA; Department of Obstetrics and Gynecology, Ohio State University, Columbus, OH.; Rosen T; Department of Obstetrics and Gynecology, Rutgers University-Robert Wood Johnson Medical School, New Brunswick, NJ.; Palatnik A; Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee, WI.; August P; Department of Medicine, Weill Cornell University, New York, NY.; Reddy UM; Department of Obstetrics and Gynecology, Yale University, New Haven, CT.; Kinzler W; Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola, NY.; Su EJ; Department of Obstetrics and Gynecology, University of Colorado, Boulder, CO.; Krishna I; Department of Obstetrics and Gynecology, Emory University, Atlanta, GA.; Nguyen NA; Department of Obstetrics and Gynecology, Denver Health, Denver, CO.; Norton ME; Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California, San Francisco, San Francisco, CA.; Skupski D; Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital, Flushing, NY.; El-Sayed YY; Department of Obstetrics and Gynecology, Stanford University, Stanford, CA.; Galis ZS; Division of Cardiovascular Sciences, NHLBI, Bethesda, MD.; Ambalavanan N; Division of Neonatology, Department of Pediatrics, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, AL.; Oparil S; Division of Cardiovascular Disease, Department of Medicine, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, AL.; Szychowski JM; Department of Biostatistics, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, AL.; Tita ATN; Department of Obstetrics and Gynecology, Center for Women's Reproductive Health, University of Alabama at Birmingham, Birmingham, AL.

Publisher: Elsevier Country of Publication: United States NLM ID: 0370476 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-6868 (Electronic) Linking ISSN: 00029378 NLM ISO Abbreviation: Am J Obstet Gynecol Subsets: MEDLINE