부산대학교 도서관

van Dijk, Myrthe M ; Vissenberg, Rosa ; Fliers, Eric ; van der Post, Joris A M ; van der Hoorn, Marie-Louise P ; de Weerd, Sabina ; Kuchenbecker, Walter K ; Hoek, Annemieke ; Sikkema, J Marko ; Verhoeve, Harold R ; Broeze, Kimiko A ; de Koning, Corry H ; Verpoest, Willem ; Christiansen, Ole B ; Koks, Carolien ; de Bruin, Jan P ; Papatsonis, Dimitri N M ; Torrance, Helen ; van Wely, Madelon ; Bisschop, Peter H ; Goddijn, Mariëtte

In The Lancet Diabetes & Endocrinology May 2022 10(5):322-329

Broekhuijsen, Kim ; van Baaren, Gert-Jan ; van Pampus, Maria G ; Ganzevoort, Wessel ; Sikkema, J Marko ; Woiski, Mallory D ; Oudijk, Martijn A ; Bloemenkamp, Kitty W M ; Scheepers, Hubertina C J ; Bremer, Henk A ; Rijnders, Robbert J P ; van Loon, Aren J ; Perquin, Denise A M ; Sporken, Jan M J ; Papatsonis, Dimitri N M ; van Huizen, Marloes E ; Vredevoogd, Corla B ; Brons, Jozien T J ; Kaplan, Mesrure ; van Kaam, Anton H ; Groen, Henk ; Porath, Martina M ; van den Berg, Paul P ; Mol, Ben W J ; Franssen, Maureen T M ; Langenveld, Josje

In The Lancet 20-26 June 2015 385(9986):2492-2501

Sluijter HMM; Department of Gynaecology and Obstetrics, Catharina Hospital Eindhoven, Eindhoven, the Netherlands.; Bekkers IPW; Department of Gynaecology and Obstetrics, Zuyderland Medical Centre Heerlen, Heerlen, Limburg, the Netherlands.; GROW School for Oncology and Reproduction, Maastricht University Medical Centre, Maastricht, the Netherlands.; Henschen R; Department of Gynaecology and Obstetrics, Zuyderland Medical Centre Heerlen, Heerlen, Limburg, the Netherlands.; GROW School for Oncology and Reproduction, Maastricht University Medical Centre, Maastricht, the Netherlands.; van Alphen M; Department of Gynaecology and Obstetrics, Flevo Hospital, Almere, the Netherlands.; Ebisch I; Department of Gynaecology and Obstetrics, Canisius Wilhelmina Hospital, Nijmegen, the Netherlands.; Kok HS; Department of Gynaecology and Obstetrics, Alrijne Hospital, Leiderdorp, the Netherlands.; Labrie J; Department of Gynaecology and Obstetrics, Spaarne Gasthuis, Haarlem, the Netherlands.; van Leijsen SAL; Department of Gynaecology and Obstetrics, Maxima Medical Centre, Veldhoven, the Netherlands.; Oei ALM; Department of Gynaecology and Obstetrics, Bernhoven Hospital, Uden, the Netherlands.; Peters LW; Department of Gynaecology and Obstetrics, OLVG, Amsterdam, the Netherlands.; Pijlman BM; Department of Gynaecology and Obstetrics, Jeroen Bosch Hospital, 's Hertogenbosch, the Netherlands.; Sikkema JM; Department of Gynaecology and Obstetrics, Ziekenhuisgroep Twente, Almelo, the Netherlands.; van der Vlist MY; Department of Gynaecology and Obstetrics, Albert Schweitzer Hospital, Dordrecht, the Netherlands.; Voogdt KGJA; Department of Gynaecology and Obstetrics, Haga Hospital, Den Haag, the Netherlands.; Vos N; Department of Gynaecology and Obstetrics, Noordwest Hospital Group, Alkmaar, the Netherlands.; Woolderink JM; Department of Gynaecology and Obstetrics, Martini Hospital, Groningen, the Netherlands.; Smeets NAC; Department of Gynaecology and Obstetrics, Zuyderland Medical Centre Heerlen, Heerlen, Limburg, the Netherlands.; Damoiseaux A; Department of Gynaecology and Obstetrics, Catharina Hospital Eindhoven, Eindhoven, the Netherlands.; Huppelschoten AG; Department of Gynaecology and Obstetrics, Catharina Hospital Eindhoven, Eindhoven, the Netherlands.; Wassen MLH; Department of Gynaecology and Obstetrics, Zuyderland Medical Centre Heerlen, Heerlen, Limburg, the Netherlands.; van Vliet HAAM; Department of Gynaecology and Obstetrics, Catharina Hospital Eindhoven, Eindhoven, the Netherlands.; Department of Human Structure and Repair, University Gent, Gent, Oost-Vlaanderen, Belgium.

Publisher: Wiley-Blackwell Country of Publication: England NLM ID: 100935741 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1471-0528 (Electronic) Linking ISSN: 14700328 NLM ISO Abbreviation: BJOG Subsets: MEDLINE

Landman AJEMC; Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.; de Boer MA; Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.; Visser L; Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.; Nijman TAJ; Department of Obstetrics and Gynaecology, Haaglanden Medical Centre, Den Haag, the Netherlands.; Hemels MAC; Department of Neonatal Intensive Care, Isala, Zwolle, the Netherlands.; Naaktgeboren CN; Department of Obstetrics and Gynaecology, Amsterdam UMC, University of Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.; van der Weide MC; Department of Obstetrics and Gynaecology, Amsterdam UMC, University of Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.; Mol BW; Department of Obstetrics and Gynaecology, School of Clinical Sciences at Monash Health, Monash University, Melbourne, Victoria, Australia.; Aberdeen Centre for Women's Health Research, University of Aberdeen Aberdeen, United Kingdom.; van Laar JOEH; Department of Obstetrics and Gynaecology, Máxima Medical Centre, Veldhoven, the Netherlands.; Papatsonis DNM; Department of Obstetrics and Gynaecology, Amphia Hospital, Breda, the Netherlands.; Bekker MN; Department of Obstetrics and Gynaecology, University Medical Centre Utrecht, Utrecht, the Netherlands.; van Drongelen J; Department of Obstetrics and Gynaecology, Radboud University Medical Center, Nijmegen, the Netherlands.; van Pampus MG; Department of Obstetrics and Gynaecology, OLVG, Amsterdam, the Netherlands.; Sueters M; Department of Obstetrics and Gynaecology, Leiden University Medical Centre, Leiden, the Netherlands.; van der Ham DP; Department of Obstetrics and Gynaecology, Martini Hospital, Groningen, the Netherlands.; Sikkema JM; Department of Obstetrics and Gynaecology, Hospital Group Twente Almelo, Almelo, the Netherlands.; Zwart JJ; Department of Obstetrics and Gynaecology, Deventer Hospital, Deventer, the Netherlands.; Huisjes AJM; Department of Obstetrics and Gynaecology, Gelre Hospitals Apeldoorn, Apeldoorn, the Netherlands.; van Huizen ME; Department of Obstetrics and Gynaecology, Haga Hospital, Den Haag, the Netherlands.; Kleiverda G; Department of Obstetrics and Gynaecology, Flevo Hospital Almere, Almere, the Netherlands.; Boon J; Department of Obstetrics and Gynaecology, Diakonessenhuis, Utrecht, the Netherlands.; Franssen MTM; Department of Obstetrics and Gynaecology, University Medical Centre Groningen, Groningen, the Netherlands.; Hermes W; Department of Obstetrics and Gynaecology, Haaglanden Medical Centre, Den Haag, the Netherlands.; Visser H; Department of Obstetrics and Gynaecology, Tergooi Hospitals, Hilversum, the Netherlands.; de Groot CJM; Department of Obstetrics and Gynaecology, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.; Oudijk MA; Department of Obstetrics and Gynaecology, Amsterdam UMC, University of Amsterdam, Amsterdam Reproduction & Development Research Institute, Amsterdam, the Netherlands.

Publisher: Public Library of Science Country of Publication: United States NLM ID: 101231360 Publication Model: eCollection Cited Medium: Internet ISSN: 1549-1676 (Electronic) Linking ISSN: 15491277 NLM ISO Abbreviation: PLoS Med Subsets: MEDLINE

Freeman, Liv M; Bloemenkamp, Kitty W; Franssen, Maureen T; Papatsonis, Dimitri N; Hajenius, Petra J; Hollmann, Markus W; Woiski, Mallory D; Porath, Martina; van den Berg, Hans J; van Beek, Erik; Borchert, Odette W H M; Schuitemaker, Nico; Sikkema, J Marko; Kuipers, A H M; Logtenberg, Sabine L M; van der Salm, Paulien C M; Oude Rengerink, Katrien; Lopriore, Enrico; van den Akker-van Marle, M Elske; le Cessie, Saskia; van Lith, Jan M; Struys, Michel M; Mol, Ben Willem J; Dahan, Albert; Middeldorp, Johanna M

BMJ. Feb 21, 2015 350:h846-h846

Elvan-Taspinar A; Schoot Uiterkamp LAM; Sikkema JM; Bots ML; Koomans HA; Bruinse HW; Franx A; Elvan-Taşpinar, Ayten; Uiterkamp, Leonore A; Sikkema, J Marko; Bots, Michiel L; Koomans, Hein A; Bruinse, Hein W; Franx, Arie

Journal of Hypertension; Nov2003, Vol. 21 Issue 11, p2053-2060, 8p

van Baaren, G.J.; Broekhuijsen, K; Pampus, M.G.; Ganzevoort, W.; Sikkema, J Marko; Woiski, Mallory D; Oudijk, M. A.; Bloemenkamp, K. W.M.; Scheepers, Hubertina C. J.; Bremer, Henk A; Rijnders, Robbert J. P.; van Loon, A. J.; Perquin, Denise A M; Sporken, Jan M J; Papatsonis, D N M; van Huizen, M E; Vredevoogd, C B; Brons, Jozien T J; Kaplan, M.; van Kaam, Anton H.; Groen, H.; Porath, M.; van den Berg, P.; Mol, B. W J; Franssen, Maureen T. M.; Langenveld, J; the HYPITAT-II Study Group

Vijgen SM; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, the Netherlands.; van der Ham DP; Bijlenga D; van Beek JJ; Bloemenkamp KW; Kwee A; Groenewout M; Kars MM; Kuppens S; Mantel G; Molkenboer JF; Mulder AL; Nijhuis JG; Pernet PJ; Porath M; Woiski MD; Weinans MJ; van Wijngaarden WJ; Wildschut HI; Akerboom B; Sikkema JM; Willekes C; Mol BW; Opmeer BC

Publisher: Wiley Country of Publication: United States NLM ID: 0370343 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1600-0412 (Electronic) Linking ISSN: 00016349 NLM ISO Abbreviation: Acta Obstet Gynecol Scand Subsets: MEDLINE

van Rijn BB; Division of Perinatology and Gynaecology, University Medical Center, Utrecht, The Netherlands. brijn2@umcutrecht.nl; Franx A; Sikkema JM; van Rijn HJ; Bruinse HW; Voorbij HA

Publisher: Informa Healthcare Country of Publication: England NLM ID: 9421297 Publication Model: Print Cited Medium: Internet ISSN: 1525-6065 (Electronic) Linking ISSN: 10641955 NLM ISO Abbreviation: Hypertens Pregnancy Subsets: MEDLINE

Visser L; Department of Obstetrics and Gynecology, VU University Medical Center, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands.; de Boer MA; Department of Obstetrics and Gynecology, VU University Medical Center, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands.; de Groot CJM; Department of Obstetrics and Gynecology, VU University Medical Center, De Boelelaan 1118, 1081 HZ, Amsterdam, The Netherlands.; Nijman TAJ; Department of Obstetrics and Gynecology, Birth Centre Wilhelmina Children Hospital, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.; Hemels MAC; Department of Neonatology, Isala Clinic, Dokter van Heesweg 2, 8025 AB, Zwolle, The Netherlands.; Bloemenkamp KWM; Department of Obstetrics and Gynecology, Birth Centre Wilhelmina Children Hospital, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.; Bosmans JE; Department of Health Sciences and the EMGO Institute for Health and Care Research, Faculty of Earth and Life Sciences, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081 HV, Amsterdam, The Netherlands.; Kok M; Department of Obstetrics and Gynecology, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.; van Laar JO; Department of Obstetrics and Gynecology, Maxima Medical Center in Veldhoven, De Run 4600, 5504 DB, Veldhoven, The Netherlands.; Sueters M; Department of Obstetrics and Gynecology, Leiden University Medical Center, Albinusdreef 2, 2333 ZA, Leiden, The Netherlands.; Scheepers H; Department of Obstetrics and Gynecology, Maastricht University Medical Center, P. Debyelaan 25, 6229 HX, Maastricht, The Netherlands.; van Drongelen J; Department of Obstetrics and Gynecology, Radboud University Medical Center, Geert Grooteplein-Zuid 10, 6525 GA, Nijmegen, The Netherlands.; Franssen MTM; Department of Obstetrics and Gynecology, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.; Sikkema JM; Department of Obstetrics and Gynecology, Hospital Group Twente, Zilvermeeuw 1, 7609 PP, Almelo, The Netherlands.; Duvekot HJJ; Department of Obstetrics and Gynecology, Erasmus Medical Center, 's- Gravendijkwal 230, 3015 CE, Rotterdam, The Netherlands.; Bekker MN; Department of Obstetrics and Gynecology, Birth Centre Wilhelmina Children Hospital, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.; van der Post JAM; Department of Obstetrics and Gynecology, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.; Naaktgeboren C; Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.; Mol BWJ; Department of Obstetrics and Gynecology, Robinson Research Institute, University of Adelaide, 72 King William St, North Adelaide, SA 5006, Australia.; Oudijk MA; Department of Obstetrics and Gynecology, Academic Medical Center, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands. m.a.oudijk@amc.uva.nl.

Publisher: BioMed Central Country of Publication: England NLM ID: 100967799 Publication Model: Electronic Cited Medium: Internet ISSN: 1471-2393 (Electronic) Linking ISSN: 14712393 NLM ISO Abbreviation: BMC Pregnancy Childbirth Subsets: MEDLINE

Mutsaerts MA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; van Oers AM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Groen H; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Burggraaff JM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Kuchenbecker WK; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Perquin DA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Koks CA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; van Golde R; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Kaaijk EM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Schierbeek JM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Oosterhuis GJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Broekmans FJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Bemelmans WJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Lambalk CB; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Verberg MF; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; van der Veen F; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Klijn NF; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Mercelina PE; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; van Kasteren YM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Nap AW; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Brinkhuis EA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Vogel NE; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Mulder RJ; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Gondrie ET; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; de Bruin JP; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Sikkema JM; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; de Greef MH; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; ter Bogt NC; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Land JA; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Mol BW; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a; Hoek A; From the Departments of Obstetrics and Gynecology (M.A.Q.M., A.M.O., J.A.L., A.H.), General Practice (M.A.Q.M.), and Epidemiology (H.G.), and the Institute of Human Movement Sciences (M.H.G.G.), University Medical Center Groningen, University of Groningen, the Department of Obstetrics and Gynecology, Martini Hospital (N.E.A.V.), and the Research and Innovation Group in Health Care and Nursing, Hanze University of Applied Sciences (M.H.G.G.), Groningen, the Department of Obstetrics and Gynecology, Scheper Hospital, Emmen (J.M.B.), the Department of Obstetrics and Gynecology, Isala Clinics, Zwolle (W.K.H.K.), the Department of Obstetrics and Gynecology, Medical Center Leeuwarden, Leeuwarden (D.A.M.P.), the Department of Obstetrics and Gynecology, Maxima Medical Center, Veldhoven (C.A.M.K.), the Department of Obstetrics and Gynecology, Maastricht University Medical Center, Maastricht University, Maastricht (R.G.), the Department of Obstetrics and Gynecology, Onze Lieve Vrouwe Gasthuis (E.M.K.), the Department of Obstetrics and Gynecology, VU University Medical Center (C.B.L.), and the Center for Reproductive Medicine, Academic Medical Center, University of Amsterdam (F.V.), Amsterdam, the Department of Obstetrics and Gynecology, Deventer Hospital, Deventer (J.M. Schierbeek), the Department of Obstetrics and Gynecology, St. Antonius Hospital, Nieuwegein (G.J.E.O.), the Department of Reproductive Medicine, Division Female and Baby, University Medical Center Utrecht, Utrecht University, Utrecht (F.J.B.), the Center for Prevention and Health Services Research, National Institute for Public Health and the Environment, Bilthoven (W.J.E.B.), the Department of Obstetrics and Gynecology, Medical Spectrum Twente, Enschede (M.F.G.V.), the Department of Gynecology and Reproductive Medicine, Leiden University Medical Center, University of Leiden, Leiden (N.F.K.), the Department of Obstetrics and Gynecology, Atrium Medical Center, Heerlen (P.E.A.M.M.), the Department of Obstetrics a

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

van Os MA; Department of Obstetrics and Gynecology, VU University Medical Center, Amsterdam, The Netherlands.; van der Ven AJ; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands.; Kleinrouweler CE; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands.; Schuit E; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands.; Kazemier BM; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands.; Verhoeven CJ; Department of Obstetrics and Gynecology, Máxima Medisch Centrum, Veldhoven, The Netherlands.; de Miranda E; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands.; van Wassenaer-Leemhuis AG; Department of Neonatology, Emma Children's Hospital, Academic Medical Center, Amsterdam, The Netherlands.; Sikkema JM; Department of Obstetrics and Gynecology, ZGT, Almelo, The Netherlands.; Woiski MD; Department of Obstetrics and Gynecology, Radboud University, Nijmegen, The Netherlands.; Bossuyt PM; Department of Clinical Epidemiology, Academic Medical Center, Amsterdam, The Netherlands.; Pajkrt E; Department of Obstetrics and Gynecology, Academic Medical Center, Amsterdam, The Netherlands.; de Groot CJ; Department of Obstetrics and Gynecology, VU University Medical Center, Amsterdam, The Netherlands.; Mol BW; The Robinson Institute, School of Paediatrics and Reproductive Health, University of Adelaide, Adelaide, Australia.; Haak MC; Department of Obstetrics, Leiden University Medical Center, Leiden, The Netherlands.

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

Sikkema JM; Department of Obstetrics, University Medical Center, Room KE4.134.1, PO Box 85090, 3508 AB Utrecht, The Netherlands. J.M.Sikkema@azu.nl; Franx A; Fijnheer R; Nikkels PG; Bruinse HW; Boomsma F

Publisher: Elsevier Country of Publication: Netherlands NLM ID: 1302422 Publication Model: Print Cited Medium: Print ISSN: 0009-8981 (Print) Linking ISSN: 00098981 NLM ISO Abbreviation: Clin Chim Acta Subsets: MEDLINE