Duffy, J M NAlAhwany, HBhattacharya, SiladityaCollura, BCurtis, C.Evers, J.L.H.Farquharson, R.G.Franik, SGiudice, L.C.Khalaf, Y.Knijnenburg, J M LLeeners, BLegro, R SLensen, S FVazquez-Niebla, J CMavrelos, DMol, B.W.J.Niederberger, CNg, E.H.Y.Otter, A. S.Puscasiu, L.Rautakallio-Hokkanen, SRepping, S.Sarris, ISimpson, J LStrandell, AStrawbridge, CTorrance, H. L.Vail, Avan Wely, MadelonVercoe, M.Vuong, N LWang, A YWilkinson, JYoussef, M AFarquhar, C.M.Core Outcome Measure for Infertility Trials (COMMIT) initiative2021-04-012021-04-012021-01Duffy, J M N, AlAhwany, H, Bhattacharya, S, Collura, B, Curtis, C, Evers, J L H, Farquharson, R G, Franik, S, Giudice, L C, Khalaf, Y, Knijnenburg, J M L, Leeners, B, Legro, R S, Lensen, S F, Vazquez-Niebla, J C, Mavrelos, D, Mol, B W J, Niederberger, C, Ng, E H Y, Otter, A S, Puscasiu, L, Rautakallio-Hokkanen, S, Repping, S, Sarris, I, Simpson, J L, Strandell, A, Strawbridge, C, Torrance, H L, Vail, A, van Wely, M, Vercoe, M, Vuong, N L, Wang, A Y, Wilkinson, J, Youssef, M A, Farquhar, C M & Core Outcome Measure for Infertility Trials (COMMIT) initiative 2021, 'Developing a core outcome set for future infertility research : an international consensus development study', Fertility and Sterility, vol. 115, no. 1, pp. 191-200. https://doi.org/10.1016/j.fertnstert.2020.11.0120015-0282ORCID: /0000-0002-4588-356X/work/159509674https://hdl.handle.net/2164/16170Acknowledgements: We would like to thank the Delphi survey and 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. Ben Mol is supported by a National Health and Medical Research Council Practitioner Fellowship (GNT1082548). Siladitya Bhattacharya was supported by University of Auckland Foundation Seelye Travelling Fellowship. This article has not been externally peer reviewed. This article has been published simultaneously in Human Reproduction10282681engSDG 3 - Good Health and Well-beingConsensus development studycore outcome setsmodified Delphi methodmodified Nominal Group Techniqueoutcome measuresoutcomesCLINICAL-TRIALSPROTOCOLR MedicineObstetrics and GynaecologyReproductive MedicineSupplementary DataRJournal article10.1016/j.fertnstert.2020.11.012https://www.scopus.com/pages/publications/85099272290