Wang, RuiLi, WentaoBordewijk, Esmée M.Legro, Richard S.Zhang, HepingWu, XiaokeGao, JingshuMorin-Papunen, LaureHomburg, RoyKönig, Tamar E.Moll, EtelkaKar, SujataHuang, WeiJohnson, Neil P.Amer, Saad A.Vegetti, WalterPalomba, StefanoFalbo, AngelaÖzmen, ÜlküNazik, HakanWilliams, Christopher D.Federica, GrassoLord, JonathanSahin, YilmazBhattacharya, SiladityaNorman, Robert J.van Wely, MadelonMol, Ben WillemReproductive Medicine Network+International Ovulation Induction IPDMA Collaboration2020-10-222020-10-222019-11-05Wang, R, Li, W, Bordewijk, E M, Legro, R S, Zhang, H, Wu, X, Gao, J, Morin-Papunen, L, Homburg, R, König, T E, Moll, E, Kar, S, Huang, W, Johnson, N P, Amer, S A, Vegetti, W, Palomba, S, Falbo, A, Özmen, Ü, Nazik, H, Williams, C D, Federica, G, Lord, J, Sahin, Y, Bhattacharya, S, Norman, R J, van Wely, M, Mol, B W, Reproductive Medicine Network+ & International Ovulation Induction IPDMA Collaboration 2019, 'First-line ovulation induction for polycystic ovary syndrome : an individual participant data meta-analysis', Human Reproduction Update, vol. 25, no. 6, pp. 717-732. https://doi.org/10.1093/humupd/dmz0291355-4786Bibtex: 10.1093/humupd/dmz029ORCID: /0000-0002-4588-356X/work/159509555https://hdl.handle.net/2164/15276Acknowledgements We would like to thank Mr M. Draper from Barr Smith Library, University of Adelaide, for his assistance in developing the search strategies and Dr M. H. Zafarmand from University of Amsterdam for assisting with the translation. We would like to acknowledge all the investigators and participants of the primary trials. The investigators of individual trials are listed in Supplementary Table SIV. We would like to acknowledge the assistance of NICHD, the Reproductive Medicine Network (RMN) and the Protocol Subcommittee, in making the database for PPCOS I and II available. +The authors of the Reproductive Medicine Network are R.S.L., R.G. Brzyski, M.P. Diamond, C. Coutifaris, W.D. Schlaff, P. Casson, G.M. Christman, H. Huang, Q. Yan, R. Alvero, D.J. Haisenleder, K.T. Barnhart, G.W. Bates, R. Usadi, S. Lucidi, V. Baker, J.C. Trussell, S.A. Krawetz, P. Snyder, D. Ohl, N. Santoro, H.X. Barnhart, B.R. Carr, S.A. Carson, M.P. Steinkampf, P.G. McGovern, N.A. Cataldo, G.G. Gosman, J.E. Nestler, L.C. Giudice, P.C. Leppert, E.R. Myers, E. Eisenberg and H. Zhang. The details of their affiliations and NIH Grants are listed in Supplementary Table SV. Funding An Australian government research training programme scholarship (to R.W.); Australian National Health and Medical Research Council-funded Centre for Research Excellence in Polycystic Ovary Syndrome (APP1078444). The funders had no role in study design, data collection and analysis, decision to publish or preparation of the manuscript.161157573engpolycystic ovary syndromeinfertilityanovulationovulation inductionletrozoleclomiphenemetforminindividual participant datameta-analysisRG Gynecology and obstetricsSupplementary DataRGJournal article10.1093/humupd/dmz029https://doi.org/10.1093/humupd/dmz029256