Duffy, J M NBhattacharya, SiladityaBhattacharya, SohineeBofill, MCollura, BarbaraCurtis, C.Evers, J.L.H.Giudice, L.C.Farquharson, R.G.Franik, SHickey, MHull, M.L.Jordan, VKhalaf, YakoubLegro, R SLensen, S FMavrelos, DMol, B.W.J.Niederberger, CNg, E H YPuscasiu, L.Repping, S.Sarris, IShowell, MStrandell, AVail, Avan Wely, MadelonVercoe, M.Vuong, Lan N.Wang, A YWang, RWilkinson, JYoussef, M AFarquhar, C MCore Outcome Measure for Infertility Trials (COMMIT) initiative2020-12-042020-12-042020-12-01Duffy, J M N, Bhattacharya, S, Bhattacharya, S, Bofill, M, Collura, B, Curtis, C, Evers, J L H, Giudice, L C, Farquharson, R G, Franik, S, Hickey, M, Hull, M L, Jordan, V, Khalaf, Y, Legro, R S, Lensen, S F, Mavrelos, D, Mol, B W J, Niederberger, C, Ng, E H Y, Puscasiu, L, Repping, S, Sarris, I, Showell, M, Strandell, A, Vail, A, van Wely, M, Vercoe, M, Vuong, L N, Wang, A Y, Wang, R, Wilkinson, J, Youssef, M A, Farquhar, C M & Core Outcome Measure for Infertility Trials (COMMIT) initiative 2020, 'Standardizing definitions and reporting guidelines for the infertility core outcome set : an international consensus development study', Human Reproduction, vol. 35, no. 12, deaa243, pp. 2735-2745. https://doi.org/10.1093/humrep/deaa2430268-1161ORCID: /0000-0002-4588-356X/work/159509675https://hdl.handle.net/2164/15453Acknowledgments We would like to thank the consensus development meeting participants and colleagues at the Cochrane Gynaecology and Fertility Group, University of Auckland, New Zealand. Funding This research was funded by the Catalyst Fund, Royal Society of New Zealand, Auckland Medical Research Fund and Maurice and Phyllis Paykel Trust. The funder had no role in the design and conduct of the study, the collection, management, analysis or interpretation of data or manuscript preparation. Siladitya Bhattacharya was supported by the University of Auckland Foundation Seelye Travelling Fellowship. B.W.M. is supported by a National Health and Medical Research Council Practitioner Fellowship (GNT1082548) This article has not been externally peer reviewed. This article has been published simultaneously in Fertility and Sterility11243188engfemale infertilityinfertilitymale infertilityeffectivenesssafetyoutcomesR MedicineSupplementary DataRStandardizing definitions and reporting guidelines for the infertility core outcome set : an international consensus development studyJournal article10.1093/humrep/deaa243http://www.scopus.com/inward/record.url?scp=85097891348&partnerID=8YFLogxK3512