부산대학교 도서관

Ochoa-Guerrero, K.M. ; Rodriguez-Espinosa, P.F. ; Martinez-Tavera, E. ; Sabarathinam, Chidambaram ; Sujitha, S.B. ; Hérnandez-Mendoza, H. ; Alsabti, Bedour

In Journal of South American Earth Sciences 1 October 2025 164

Magaña-Olivé, P. ; Martinez-Tavera, E. ; Sujitha, S.B. ; Cunill-Flores, J.M. ; Martinez-Gallegos, S. ; Sierra, J. ; Rovira, J.

In Marine Pollution Bulletin April 2025 213

Martinez-Tavera, E. ; Duarte-Moro, A.M. ; Sujitha, S.B. ; Rodriguez-Espinosa, P.F. ; Rosano-Ortega, G. ; Expósito, Nora

In Chemosphere March 2021 266

M.P. Jonathan; P.F. Rodriguez-Espinosa; S.B. Sujitha; V.C. Shruti; E. Martinez-Tavera

Marine Pollution Bulletin. 146:729-740

A.G. Hernandez-Ramirez; E. Martinez-Tavera; P.F. Rodriguez-Espinosa; J.A. Mendoza-Pérez; J. Tabla-Hernandez; D.C. Escobedo-Urías; M.P. Jonathan; S.B. Sujitha

Science of The Total Environment. 669:1019-1032

Muñoz Tavera, Enrique; Kadali, S.B.; Bagaria, H.G.; Liu, A.W.; Wong, M.S.

AIChE Journal. 55:2950-2965

Jonathan, M.P.; Rodriguez-Espinosa, P.F.; Sujitha, S.B.; Shruti, V.C.; Martinez-Tavera, E.

Marine Pollution Bulletin. Sep2019, Vol. 146, p729-740. 12p.

Martínez-Villacampa, M.; Tavera, S.B.; Vivas, C.S.; Izquierdo, C.; Bruna, J.; Velasco, R.

In: Annals of Oncology, ESMO 20th World Congress on Gastrointestinal Cancer 20-23 June 2018, Barcelona, Spain. (Annals of Oncology, June 2018, 29:v69)

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In: Stroke. (Stroke, 1 December 2022, 53(12):3728-3740)

Geier, C.B.; Ehl, S.; Warnatz, K.; Wegehaupt, O.; Salzer, U.; Ellison, M.; Cruz, R.; Yilmaz, M.; Gordon, S.; Ujhazi, B.; Csomos, K.; Walter, J.E.; Pawar, S.; Zmajkovicova, K.; Wiest, I.; Badarau, A.; Leiss-Piller, A.; McNulty, S.M.; Evans, M.O.; Abolhassani, H.; Aghamohammadi, A.; Barmettler, S.; Bhar, S.; Bondarenko, A.; Hilfanova, A.; Volokha, A.; Bolyard, A.A.; Buchbinder, D.; Cada, M.; Grunebaum, E.; Kim, V.H.-D.; Cavieres, M.; Connelly, J.A.; Dale, D.C.; Deordieva, E.; Mersyanova, I.; Shcherbina, A.; Dorsey, M.J.; Drysdale, S.B.; Elfeky, R.; Fioredda, F.; Miano, M.; Firkin, F.; Förster-Waldl, E.; Kojić, M.; Geng, B.; Goda, V.; Krivan, G.; Gonzalez-Granado, L.; Grzesk, E.; Kołtan, S.; Henrickson, S.E.; Hiwatari, M.; Imai, C.; Ip, W.; Worth, A.; Jyonouchi, S.; Kanegane, H.; Kawahara, Y.; Khojah, A.M.; Langguth, D.; Lau, Y.-L.; Leung, D.; Mousallem, T.; Muskat, M.; Naoum, F.A.; Noronha, S.A.; Ouederni, M.; Ozono, S.; Richmond, G.W.; Sakovich, I.; Sharapova, S.O.; Zharankova, Y.; Schuetz, C.; Seeborg, F.O.; Sockel, K.; von Bonin, M.; Weinberg, G.A.; Wong, K.-J.; Yu, H.; Zhao, X.; Devlin, L.; Keszei, M.; Pereira, J.; Taveras, A.G.; Beaussant-Cohen, S.L.; Ong, M.-S.

In: Journal of Clinical Immunology. (Journal of Clinical Immunology, November 2022, 42(8):1748-1765)

Tavera-Mendoza, L.E.; Westerling, T.; Cato, L.; Brown, M.; Libby, E.; Marusyk, A.; Cassani, R.; Cameron, L.A.; Ficarro, S.B.; Marto, J.A.; Klawitter, J.

In: Proceedings of the National Academy of Sciences of the United States of America. (Proceedings of the National Academy of Sciences of the United States of America, 14 March 2017, 114(11):E2186-E2194)

Martinez-Tavera, E.; Rodriguez-Espinosa, P.F.; Shruti, V.C.; Sujitha, S.B.; Muñoz-Sevilla, N.P.; Morales-Garcia, S.S.

In: Environmental Earth Sciences. (Environmental Earth Sciences, 1 January 2017, 76(2))

María Luisa, S.B.; José Luis Contreras, J.; Jaramillo-Arango, C.J.; Aguilar-Romero, F.; Navarrete, J.V.; Hernández-Castro, R.; Francisco, S.-G.F.; Tavera, F.T.

In: Veterinaria. (Veterinaria, April-June 2012, 43(2):123-132)

Tita AT; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Szychowski JM; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Boggess K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Dugoff L; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Sibai B; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Lawrence K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Hughes BL; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Bell J; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Aagaard K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Edwards RK; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Gibson K; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Haas DM; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Plante L; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Metz T; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Casey B; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Esplin S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Longo S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Hoffman M; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Saade GR; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Hoppe KK; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Foroutan J; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Tuuli M; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Owens MY; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Simhan HN; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Frey H; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Rosen T; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Palatnik A; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Baker S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; August P; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Reddy UM; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Kinzler W; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Su E; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Krishna I; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Nguyen N; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Norton ME; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Skupski D; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; El-Sayed YY; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Ogunyemi D; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Galis ZS; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Harper L; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Ambalavanan N; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Geller NL; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Oparil S; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Cutter GR; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.; Andrews WW; From the Department of Obstetrics and Gynecology (A.T.T., W.W.A.), the Center for Women's Reproductive Health (A.T.T., J.M.S., N.A., S.O., G.R.C., W.W.A.), the Department of Biostatistics (J.M.S., G.R.C.), the Division of Neonatology, Department of Pediatrics (N.A.), and the Division of Cardiovascular Disease, Department of Medicine (S.O.), University of Alabama, Birmingham; the Department of Obstetrics and Gynecology, University of North Carolina at Chapel Hill (K.B.), and the Department of Obstetrics and Gynecology, Duke University, Durham (B.L.H.) - both in North Carolina; the Department of Obstetrics and Gynecology, University of Pennsylvania (L.D.), and the Department of Obstetrics and Gynecology, Drexel University College of Medicine (L.P.), Philadelphia, St. Luke's University Health Network, Fountain Hill (J.B.), and the Department of Obstetrics and Gynecology, Magee Women's Hospital, University of Pittsburgh, Pittsburgh (H.N.S.) - all in Pennsylvania; the Department of Obstetrics and Gynecology, University of Texas (B.S.), and the Department of Obstetrics and Gynecology, Baylor College of Medicine and Texas Children's Hospital, Houston (K.A.), the Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas (B.C.), the Department of Obstetrics and Gynecology, University of Texas Medical Branch, Galveston (G.R.S.), and the Department of Women's Health, University of Texas, Austin (L.H.); the Department of Obstetrics and Gynecology, Columbia University (K.L.), Weill Cornell University (P.A.), and the Department of Obstetrics and Gynecology, New York Presbyterian Queens Hospital (D.S.), New York, and the Department of Obstetrics and Gynecology, Winthrop University Hospital, Mineola (W.K.) - all in New York; the Department of Obstetrics and Gynecology, University of Oklahoma Health Sciences, Oklahoma City (R.K.E.); MetroHealth System, Cleveland (K.G.); the Department of Obstetrics and Gynecology, Indiana University, Indianapolis (D.M.H.); the Department of Obstetrics and Gynecology, University of Utah (T.M.), and Intermountain Healthcare (S.E.), Salt Lake City; Ochsner Baptist Medical Center, New Orleans (S.L.); Christiana Care Health Services, Newark, DE (M.H.); the Department of Obstetrics and Gynecology, UnityPoint Health-Meriter Hospital/Marshfield Clinic, Madison (K.K.H.), and the Department of Obstetrics and Gynecology, Medical College of Wisconsin, Milwaukee (A.P.); St. Peters University Hospital (J.F.) and the Department of Obstetrics and Gynecology, Robert Wood Johnson Medical School, Rutgers University (T.R.), New Brunswick, NJ; the Department of Obstetrics and Gynecology, Washington University, St. Louis (M.T.); the Department of Obstetrics and Gynecology, University of Mississippi Medical Center, Jackson (M.Y.O.); the Department of Obstetrics and Gynecology, Ohio State University, Columbus (H.F.); the Department of Obstetrics and Gynecology, University of South Alabama, Mobile (S.B.); the Department of Obstetrics and Gynecology, Yale University, New Haven, CT (U.M.R.); the Department of Obstetrics and Gynecology, University of Colorado, Boulder (E.S.), and the Department of Obstetrics and Gynecology, Denver Health, Denver (N.N.); the Department of Obstetrics and Gynecology, Emory University, Atlanta (I.K.); the Department of Obstetrics and Gynecology, University of California, San Francisco, and Zuckerberg San Francisco General Hospital (M.E.N.), San Francisco, the Department of Obstetrics and Gynecology, Stanford University, Stanford (Y.Y.E.-S.), and the Department of Obstetrics and Gynecology, Arrowhead Regional Medical Center, Colton (D.O.); Beaumont Hospital, Southfield, MI (D.O.); and the Division of Cardiovascular Sciences (Z.S.G.) and the Office of Biostatistics Research (N.L.G.), National Heart, Lung, and Blood Institute, Bethesda, MD.

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE