Developing a core outcome set for future infertility research

STUDY QUESTION: Can a core outcome set to standardize outcome selection, collection and reporting across future infertility research be developed? SUMMARY ANSWER: A minimum data set, known as a core outcome set, has been developed for randomized controlled trials (RCTs) and systematic reviews evalua...

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Autores: Duffy, James M. N.|||0000-0001-6127-9859, AlAhwany, Hisham, Bhattacharya, Sohinee|||0000-0002-2358-5860, Collura, Barbara, Curtis, Cate|||0000-0001-9832-4975, Evers, Johannes L.H., Farquharson, Roy Gibb, Franik, Sebastian, Giudice, Linda C., Khalaf, Yacoub, Knijnenburg, José M. L., Leeners, Brigitte|||0000-0003-4027-6151, Legro, Richard S.|||0000-0001-9927-7584, Lensen, Sarah, Vázquez-Niebla, Juan Carlos|||0000-0002-7780-4387, Mavrelos, Dimitrios, Mol, Ben Willem J.|||0000-0001-8337-550X, Niederberger, Craig|||0000-0003-1691-7289, Ng, Ernest Hung Yu|||0000-0002-7688-4557, Otter, Anne Sophie Denise, Puscasiu, Lucian, Rautakallio-Hokkanen, Satu|||0000-0001-6509-6320, Repping, Sjoerd|||0000-0002-6959-149X, Sarris, Ippokratis|||0000-0002-8912-5920, Simpson, Joe Leigh|||0000-0002-5309-6881, Strandell, Annika Margareta, Strawbridge, Cat, Torrance, Helen L., Vail, Andy|||0000-0001-8274-2726, van Wely, Madelon|||0000-0001-8263-213X, Vercoe, Melissa A., Vuong, Ngoc Lan, Wang, A.Y., Wang, Rui|||0000-0002-6622-8134, Wilkinson, Jack, Youssef, Mohamed A.|||0000-0002-0320-0492, Farquhar, Cindy M.|||0000-0002-3685-3553, Abou-Setta, Ahmed M., Aguilera, Juan J., Atanda, Oluseyi O. A., Balkenende, Eva M. E., Barnhart, Kurt T., Beebeejaun, Yusuf, McTavish, A.R., Black, Megan, Bofill, Magdalena, Jordan, Vanessa, Showell, M., Chambers, Georgina M.|||0000-0003-0215-3249, Chughtai, Abrar A., Crosby, Javier A., Schwarze, Juan Enrique, Cuevas, Irene|||0000-0002-9587-0492, D'Angelo, Arianna, Dubois, Danielle D., Duckitt, Kristen, Encinas, Carlos, Fincham, Anita, Gerval, Marie-Odile, Giang, Nhu H., Le, Tien Khac, Thi Phuong Nguyen, Dung, Tu Tran, Cam, Gibreel, Ahmed, Gingel, Linda J., Jansa Perez, Marta, Mills, David J., Marks, Karen L., Glanville, Elisabeth J., Glujovsky, Demian|||0000-0002-0586-9341, Granne, Ingrid, Griesinger, Georg|||0000-0002-0606-5804, Gupta, Devashana, Hamzehgardeshi, Zeinab, Hickey, Martha|||0000-0002-3941-082X, Hirsch, Martin, Horton, Marcos, Hull, M. Louise, Jain, Shikha|||0000-0002-2932-1022, Jones, Claire A., Shapiro, H.M., Kamath, Mohan S., Kostova, Elena, La Marca, Antonio|||0000-0001-7921-9547, Leader, Arthur, Li, Jian|||0000-0003-3060-0501, Loto, Olabisi M., Nair, Raju R., Pacey, Allan A.|||0000-0002-4387-8871, Sadler, Lynn C., Sagle, Peggy, Siristatidis, Charalampos S., Sood, Akanksha, Votteler, Emma L., Wang, Chi Chiu|||0000-0002-3928-7278, Watson, Andrew, Yossry, Menem
Tipo de recurso: artículo
Fecha de publicación:2020
País:España
Institución:Universitat Autònoma de Barcelona
Repositorio:Dipòsit Digital de Documents de la UAB
Idioma:inglés
OAI Identifier:oai:ddd.uab.cat:283569
Acceso en línea:https://ddd.uab.cat/record/283569
https://dx.doi.org/urn:doi:10.1093/humrep/deaa241
Access Level:acceso abierto
Palabra clave:Consensus development study
Core outcome sets
Modified Delphi method
Modified Nominal Group Technique
Outcome measures
Outcomes
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oai_identifier_str oai:ddd.uab.cat:283569
network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Developing a core outcome set for future infertility research
An international consensus development study
title Developing a core outcome set for future infertility research
spellingShingle Developing a core outcome set for future infertility research
Duffy, James M. N.|||0000-0001-6127-9859
Consensus development study
Core outcome sets
Modified Delphi method
Modified Nominal Group Technique
Outcome measures
Outcomes
title_short Developing a core outcome set for future infertility research
title_full Developing a core outcome set for future infertility research
title_fullStr Developing a core outcome set for future infertility research
title_full_unstemmed Developing a core outcome set for future infertility research
title_sort Developing a core outcome set for future infertility research
dc.creator.none.fl_str_mv Duffy, James M. N.|||0000-0001-6127-9859
AlAhwany, Hisham
Bhattacharya, Sohinee|||0000-0002-2358-5860
Collura, Barbara
Curtis, Cate|||0000-0001-9832-4975
Evers, Johannes L.H.
Farquharson, Roy Gibb
Franik, Sebastian
Giudice, Linda C.
Khalaf, Yacoub
Knijnenburg, José M. L.
Leeners, Brigitte|||0000-0003-4027-6151
Legro, Richard S.|||0000-0001-9927-7584
Lensen, Sarah
Vázquez-Niebla, Juan Carlos|||0000-0002-7780-4387
Mavrelos, Dimitrios
Mol, Ben Willem J.|||0000-0001-8337-550X
Niederberger, Craig|||0000-0003-1691-7289
Ng, Ernest Hung Yu|||0000-0002-7688-4557
Otter, Anne Sophie Denise
Puscasiu, Lucian
Rautakallio-Hokkanen, Satu|||0000-0001-6509-6320
Repping, Sjoerd|||0000-0002-6959-149X
Sarris, Ippokratis|||0000-0002-8912-5920
Simpson, Joe Leigh|||0000-0002-5309-6881
Strandell, Annika Margareta
Strawbridge, Cat
Torrance, Helen L.
Vail, Andy|||0000-0001-8274-2726
van Wely, Madelon|||0000-0001-8263-213X
Vercoe, Melissa A.
Vuong, Ngoc Lan
Wang, A.Y.
Wang, Rui|||0000-0002-6622-8134
Wilkinson, Jack
Youssef, Mohamed A.|||0000-0002-0320-0492
Farquhar, Cindy M.|||0000-0002-3685-3553
Abou-Setta, Ahmed M.
Aguilera, Juan J.
Atanda, Oluseyi O. A.
Balkenende, Eva M. E.
Barnhart, Kurt T.
Beebeejaun, Yusuf
McTavish, A.R.
Black, Megan
Bofill, Magdalena
Jordan, Vanessa
Showell, M.
Chambers, Georgina M.|||0000-0003-0215-3249
Chughtai, Abrar A.
Crosby, Javier A.
Schwarze, Juan Enrique
Cuevas, Irene|||0000-0002-9587-0492
D'Angelo, Arianna
Dubois, Danielle D.
Duckitt, Kristen
Encinas, Carlos
Fincham, Anita
Gerval, Marie-Odile
Giang, Nhu H.
Le, Tien Khac
Thi Phuong Nguyen, Dung
Tu Tran, Cam
Gibreel, Ahmed
Gingel, Linda J.
Jansa Perez, Marta
Mills, David J.
Marks, Karen L.
Glanville, Elisabeth J.
Glujovsky, Demian|||0000-0002-0586-9341
Granne, Ingrid
Griesinger, Georg|||0000-0002-0606-5804
Gupta, Devashana
Hamzehgardeshi, Zeinab
Hickey, Martha|||0000-0002-3941-082X
Hirsch, Martin
Horton, Marcos
Hull, M. Louise
Jain, Shikha|||0000-0002-2932-1022
Jones, Claire A.
Shapiro, H.M.
Kamath, Mohan S.
Kostova, Elena
La Marca, Antonio|||0000-0001-7921-9547
Leader, Arthur
Li, Jian|||0000-0003-3060-0501
Loto, Olabisi M.
Nair, Raju R.
Pacey, Allan A.|||0000-0002-4387-8871
Sadler, Lynn C.
Sagle, Peggy
Siristatidis, Charalampos S.
Sood, Akanksha
Votteler, Emma L.
Wang, Chi Chiu|||0000-0002-3928-7278
Watson, Andrew
Yossry, Menem
author Duffy, James M. N.|||0000-0001-6127-9859
author_facet Duffy, James M. N.|||0000-0001-6127-9859
AlAhwany, Hisham
Bhattacharya, Sohinee|||0000-0002-2358-5860
Collura, Barbara
Curtis, Cate|||0000-0001-9832-4975
Evers, Johannes L.H.
Farquharson, Roy Gibb
Franik, Sebastian
Giudice, Linda C.
Khalaf, Yacoub
Knijnenburg, José M. L.
Leeners, Brigitte|||0000-0003-4027-6151
Legro, Richard S.|||0000-0001-9927-7584
Lensen, Sarah
Vázquez-Niebla, Juan Carlos|||0000-0002-7780-4387
Mavrelos, Dimitrios
Mol, Ben Willem J.|||0000-0001-8337-550X
Niederberger, Craig|||0000-0003-1691-7289
Ng, Ernest Hung Yu|||0000-0002-7688-4557
Otter, Anne Sophie Denise
Puscasiu, Lucian
Rautakallio-Hokkanen, Satu|||0000-0001-6509-6320
Repping, Sjoerd|||0000-0002-6959-149X
Sarris, Ippokratis|||0000-0002-8912-5920
Simpson, Joe Leigh|||0000-0002-5309-6881
Strandell, Annika Margareta
Strawbridge, Cat
Torrance, Helen L.
Vail, Andy|||0000-0001-8274-2726
van Wely, Madelon|||0000-0001-8263-213X
Vercoe, Melissa A.
Vuong, Ngoc Lan
Wang, A.Y.
Wang, Rui|||0000-0002-6622-8134
Wilkinson, Jack
Youssef, Mohamed A.|||0000-0002-0320-0492
Farquhar, Cindy M.|||0000-0002-3685-3553
Abou-Setta, Ahmed M.
Aguilera, Juan J.
Atanda, Oluseyi O. A.
Balkenende, Eva M. E.
Barnhart, Kurt T.
Beebeejaun, Yusuf
McTavish, A.R.
Black, Megan
Bofill, Magdalena
Jordan, Vanessa
Showell, M.
Chambers, Georgina M.|||0000-0003-0215-3249
Chughtai, Abrar A.
Crosby, Javier A.
Schwarze, Juan Enrique
Cuevas, Irene|||0000-0002-9587-0492
D'Angelo, Arianna
Dubois, Danielle D.
Duckitt, Kristen
Encinas, Carlos
Fincham, Anita
Gerval, Marie-Odile
Giang, Nhu H.
Le, Tien Khac
Thi Phuong Nguyen, Dung
Tu Tran, Cam
Gibreel, Ahmed
Gingel, Linda J.
Jansa Perez, Marta
Mills, David J.
Marks, Karen L.
Glanville, Elisabeth J.
Glujovsky, Demian|||0000-0002-0586-9341
Granne, Ingrid
Griesinger, Georg|||0000-0002-0606-5804
Gupta, Devashana
Hamzehgardeshi, Zeinab
Hickey, Martha|||0000-0002-3941-082X
Hirsch, Martin
Horton, Marcos
Hull, M. Louise
Jain, Shikha|||0000-0002-2932-1022
Jones, Claire A.
Shapiro, H.M.
Kamath, Mohan S.
Kostova, Elena
La Marca, Antonio|||0000-0001-7921-9547
Leader, Arthur
Li, Jian|||0000-0003-3060-0501
Loto, Olabisi M.
Nair, Raju R.
Pacey, Allan A.|||0000-0002-4387-8871
Sadler, Lynn C.
Sagle, Peggy
Siristatidis, Charalampos S.
Sood, Akanksha
Votteler, Emma L.
Wang, Chi Chiu|||0000-0002-3928-7278
Watson, Andrew
Yossry, Menem
author_role author
author2 AlAhwany, Hisham
Bhattacharya, Sohinee|||0000-0002-2358-5860
Collura, Barbara
Curtis, Cate|||0000-0001-9832-4975
Evers, Johannes L.H.
Farquharson, Roy Gibb
Franik, Sebastian
Giudice, Linda C.
Khalaf, Yacoub
Knijnenburg, José M. L.
Leeners, Brigitte|||0000-0003-4027-6151
Legro, Richard S.|||0000-0001-9927-7584
Lensen, Sarah
Vázquez-Niebla, Juan Carlos|||0000-0002-7780-4387
Mavrelos, Dimitrios
Mol, Ben Willem J.|||0000-0001-8337-550X
Niederberger, Craig|||0000-0003-1691-7289
Ng, Ernest Hung Yu|||0000-0002-7688-4557
Otter, Anne Sophie Denise
Puscasiu, Lucian
Rautakallio-Hokkanen, Satu|||0000-0001-6509-6320
Repping, Sjoerd|||0000-0002-6959-149X
Sarris, Ippokratis|||0000-0002-8912-5920
Simpson, Joe Leigh|||0000-0002-5309-6881
Strandell, Annika Margareta
Strawbridge, Cat
Torrance, Helen L.
Vail, Andy|||0000-0001-8274-2726
van Wely, Madelon|||0000-0001-8263-213X
Vercoe, Melissa A.
Vuong, Ngoc Lan
Wang, A.Y.
Wang, Rui|||0000-0002-6622-8134
Wilkinson, Jack
Youssef, Mohamed A.|||0000-0002-0320-0492
Farquhar, Cindy M.|||0000-0002-3685-3553
Abou-Setta, Ahmed M.
Aguilera, Juan J.
Atanda, Oluseyi O. A.
Balkenende, Eva M. E.
Barnhart, Kurt T.
Beebeejaun, Yusuf
McTavish, A.R.
Black, Megan
Bofill, Magdalena
Jordan, Vanessa
Showell, M.
Chambers, Georgina M.|||0000-0003-0215-3249
Chughtai, Abrar A.
Crosby, Javier A.
Schwarze, Juan Enrique
Cuevas, Irene|||0000-0002-9587-0492
D'Angelo, Arianna
Dubois, Danielle D.
Duckitt, Kristen
Encinas, Carlos
Fincham, Anita
Gerval, Marie-Odile
Giang, Nhu H.
Le, Tien Khac
Thi Phuong Nguyen, Dung
Tu Tran, Cam
Gibreel, Ahmed
Gingel, Linda J.
Jansa Perez, Marta
Mills, David J.
Marks, Karen L.
Glanville, Elisabeth J.
Glujovsky, Demian|||0000-0002-0586-9341
Granne, Ingrid
Griesinger, Georg|||0000-0002-0606-5804
Gupta, Devashana
Hamzehgardeshi, Zeinab
Hickey, Martha|||0000-0002-3941-082X
Hirsch, Martin
Horton, Marcos
Hull, M. Louise
Jain, Shikha|||0000-0002-2932-1022
Jones, Claire A.
Shapiro, H.M.
Kamath, Mohan S.
Kostova, Elena
La Marca, Antonio|||0000-0001-7921-9547
Leader, Arthur
Li, Jian|||0000-0003-3060-0501
Loto, Olabisi M.
Nair, Raju R.
Pacey, Allan A.|||0000-0002-4387-8871
Sadler, Lynn C.
Sagle, Peggy
Siristatidis, Charalampos S.
Sood, Akanksha
Votteler, Emma L.
Wang, Chi Chiu|||0000-0002-3928-7278
Watson, Andrew
Yossry, Menem
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dc.contributor.none.fl_str_mv Universitat Autònoma de Barcelona
dc.subject.none.fl_str_mv Consensus development study
Core outcome sets
Modified Delphi method
Modified Nominal Group Technique
Outcome measures
Outcomes
topic Consensus development study
Core outcome sets
Modified Delphi method
Modified Nominal Group Technique
Outcome measures
Outcomes
description STUDY QUESTION: Can a core outcome set to standardize outcome selection, collection and reporting across future infertility research be developed? SUMMARY ANSWER: A minimum data set, known as a core outcome set, has been developed for randomized controlled trials (RCTs) and systematic reviews evaluating potential treatments for infertility. WHAT IS KNOWN ALREADY: Complex issues, including a failure to consider the perspectives of people with fertility problems when selecting outcomes, variations in outcome definitions and the selective reporting of outcomes on the basis of statistical analysis, make the results of infertility research difficult to interpret. STUDY DESIGN, SIZE, DURATION: A three-round Delphi survey (372 participants from 41 countries) and consensus development workshop (30 participants from 27 countries). PARTICIPANTS/MATERIALS, SETTING, METHODS: Healthcare professionals, researchers and people with fertility problems were brought together in an open and transparent process using formal consensus science methods. MAIN RESULTS AND THE ROLE OF CHANCE: The core outcome set consists of: viable intrauterine pregnancy confirmed by ultrasound (accounting for singleton, twin and higher multiple pregnancy); pregnancy loss (accounting for ectopic pregnancy, miscarriage, stillbirth and termination of pregnancy); live birth; gestational age at delivery; birthweight; neonatal mortality; and major congenital anomaly. Time to pregnancy leading to live birth should be reported when applicable. LIMITATIONS, REASONS FOR CAUTION: We used consensus development methods which have inherent limitations, including the representativeness of the participant sample, Delphi survey attrition and an arbitrary consensus threshold. WIDER IMPLICATIONS OF THE FINDINGS: Embedding the core outcome set within RCTs and systematic reviews should ensure the comprehensive selection, collection and reporting of core outcomes. Research funding bodies, the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) statement, and over 80 specialty journals, including the Cochrane Gynaecology and Fertility Group, Fertility and Sterility and Human Reproduction, have committed to implementing this core outcome set. STUDY FUNDING/COMPETING INTEREST(S): 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. B.W.J.M. is supported by a National Health and Medical Research Council Practitioner Fellowship (GNT1082548). S.B. was supported by University of Auckland Foundation Seelye Travelling Fellowship. S.B. reports being the Editor-in-Chief of Human Reproduction Open and an editor of the Cochrane Gynaecology and Fertility group. J.L.H.E. reports being the Editor Emeritus of Human Reproduction. J.M.L.K. reports research sponsorship from Ferring and Theramex. R.S.L. reports consultancy fees from Abbvie, Bayer, Ferring, Fractyl, Insud Pharma and Kindex and research sponsorship from Guerbet and Hass Avocado Board. B.W.J.M. reports consultancy fees from Guerbet, iGenomix, Merck, Merck KGaA and ObsEva. C.N. reports being the Co Editor-in-Chief of Fertility and Sterility and Section Editor of the Journal of Urology, research sponsorship from Ferring, and retains a financial interest in NexHand. A.S. reports consultancy fees from Guerbet. E.H.Y.N. reports research sponsorship from Merck. N.L.V. reports consultancy and conference fees from Ferring, Merck and Merck Sharp and Dohme. The remaining authors declare no competing interests in relation to the work presented. All authors have completed the disclosure form.
publishDate 2020
dc.date.none.fl_str_mv 2
2020-01-01
2020
2020-01-01
dc.type.none.fl_str_mv Article
http://purl.org/coar/resource_type/c_6501
VoR
http://purl.org/coar/version/c_970fb48d4fbd8a85
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://ddd.uab.cat/record/283569
https://dx.doi.org/urn:doi:10.1093/humrep/deaa241
url https://ddd.uab.cat/record/283569
https://dx.doi.org/urn:doi:10.1093/humrep/deaa241
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
https://creativecommons.org/licenses/by-nc/4.0/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
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https://creativecommons.org/licenses/by-nc/4.0/
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dc.source.none.fl_str_mv reponame:Dipòsit Digital de Documents de la UAB
instname:Universitat Autònoma de Barcelona
instname_str Universitat Autònoma de Barcelona
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spelling Developing a core outcome set for future infertility researchAn international consensus development studyDuffy, James M. N.|||0000-0001-6127-9859AlAhwany, HishamBhattacharya, Sohinee|||0000-0002-2358-5860Collura, BarbaraCurtis, Cate|||0000-0001-9832-4975Evers, Johannes L.H.Farquharson, Roy GibbFranik, SebastianGiudice, Linda C.Khalaf, YacoubKnijnenburg, José M. L.Leeners, Brigitte|||0000-0003-4027-6151Legro, Richard S.|||0000-0001-9927-7584Lensen, SarahVázquez-Niebla, Juan Carlos|||0000-0002-7780-4387Mavrelos, DimitriosMol, Ben Willem J.|||0000-0001-8337-550XNiederberger, Craig|||0000-0003-1691-7289Ng, Ernest Hung Yu|||0000-0002-7688-4557Otter, Anne Sophie DenisePuscasiu, LucianRautakallio-Hokkanen, Satu|||0000-0001-6509-6320Repping, Sjoerd|||0000-0002-6959-149XSarris, Ippokratis|||0000-0002-8912-5920Simpson, Joe Leigh|||0000-0002-5309-6881Strandell, Annika MargaretaStrawbridge, CatTorrance, Helen L.Vail, Andy|||0000-0001-8274-2726van Wely, Madelon|||0000-0001-8263-213XVercoe, Melissa A.Vuong, Ngoc LanWang, A.Y.Wang, Rui|||0000-0002-6622-8134Wilkinson, JackYoussef, Mohamed A.|||0000-0002-0320-0492Farquhar, Cindy M.|||0000-0002-3685-3553Abou-Setta, Ahmed M.Aguilera, Juan J.Atanda, Oluseyi O. A.Balkenende, Eva M. E.Barnhart, Kurt T.Beebeejaun, YusufMcTavish, A.R.Black, MeganBofill, MagdalenaJordan, VanessaShowell, M.Chambers, Georgina M.|||0000-0003-0215-3249Chughtai, Abrar A.Crosby, Javier A.Schwarze, Juan EnriqueCuevas, Irene|||0000-0002-9587-0492D'Angelo, AriannaDubois, Danielle D.Duckitt, KristenEncinas, CarlosFincham, AnitaGerval, Marie-OdileGiang, Nhu H.Le, Tien KhacThi Phuong Nguyen, DungTu Tran, CamGibreel, AhmedGingel, Linda J.Jansa Perez, MartaMills, David J.Marks, Karen L.Glanville, Elisabeth J.Glujovsky, Demian|||0000-0002-0586-9341Granne, IngridGriesinger, Georg|||0000-0002-0606-5804Gupta, DevashanaHamzehgardeshi, ZeinabHickey, Martha|||0000-0002-3941-082XHirsch, MartinHorton, MarcosHull, M. LouiseJain, Shikha|||0000-0002-2932-1022Jones, Claire A.Shapiro, H.M.Kamath, Mohan S.Kostova, ElenaLa Marca, Antonio|||0000-0001-7921-9547Leader, ArthurLi, Jian|||0000-0003-3060-0501Loto, Olabisi M.Nair, Raju R.Pacey, Allan A.|||0000-0002-4387-8871Sadler, Lynn C.Sagle, PeggySiristatidis, Charalampos S.Sood, AkankshaVotteler, Emma L.Wang, Chi Chiu|||0000-0002-3928-7278Watson, AndrewYossry, MenemConsensus development studyCore outcome setsModified Delphi methodModified Nominal Group TechniqueOutcome measuresOutcomesSTUDY QUESTION: Can a core outcome set to standardize outcome selection, collection and reporting across future infertility research be developed? SUMMARY ANSWER: A minimum data set, known as a core outcome set, has been developed for randomized controlled trials (RCTs) and systematic reviews evaluating potential treatments for infertility. WHAT IS KNOWN ALREADY: Complex issues, including a failure to consider the perspectives of people with fertility problems when selecting outcomes, variations in outcome definitions and the selective reporting of outcomes on the basis of statistical analysis, make the results of infertility research difficult to interpret. STUDY DESIGN, SIZE, DURATION: A three-round Delphi survey (372 participants from 41 countries) and consensus development workshop (30 participants from 27 countries). PARTICIPANTS/MATERIALS, SETTING, METHODS: Healthcare professionals, researchers and people with fertility problems were brought together in an open and transparent process using formal consensus science methods. MAIN RESULTS AND THE ROLE OF CHANCE: The core outcome set consists of: viable intrauterine pregnancy confirmed by ultrasound (accounting for singleton, twin and higher multiple pregnancy); pregnancy loss (accounting for ectopic pregnancy, miscarriage, stillbirth and termination of pregnancy); live birth; gestational age at delivery; birthweight; neonatal mortality; and major congenital anomaly. Time to pregnancy leading to live birth should be reported when applicable. LIMITATIONS, REASONS FOR CAUTION: We used consensus development methods which have inherent limitations, including the representativeness of the participant sample, Delphi survey attrition and an arbitrary consensus threshold. WIDER IMPLICATIONS OF THE FINDINGS: Embedding the core outcome set within RCTs and systematic reviews should ensure the comprehensive selection, collection and reporting of core outcomes. Research funding bodies, the Standard Protocol Items: Recommendations for Interventional Trials (SPIRIT) statement, and over 80 specialty journals, including the Cochrane Gynaecology and Fertility Group, Fertility and Sterility and Human Reproduction, have committed to implementing this core outcome set. STUDY FUNDING/COMPETING INTEREST(S): 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. B.W.J.M. is supported by a National Health and Medical Research Council Practitioner Fellowship (GNT1082548). S.B. was supported by University of Auckland Foundation Seelye Travelling Fellowship. S.B. reports being the Editor-in-Chief of Human Reproduction Open and an editor of the Cochrane Gynaecology and Fertility group. J.L.H.E. reports being the Editor Emeritus of Human Reproduction. J.M.L.K. reports research sponsorship from Ferring and Theramex. R.S.L. reports consultancy fees from Abbvie, Bayer, Ferring, Fractyl, Insud Pharma and Kindex and research sponsorship from Guerbet and Hass Avocado Board. B.W.J.M. reports consultancy fees from Guerbet, iGenomix, Merck, Merck KGaA and ObsEva. C.N. reports being the Co Editor-in-Chief of Fertility and Sterility and Section Editor of the Journal of Urology, research sponsorship from Ferring, and retains a financial interest in NexHand. A.S. reports consultancy fees from Guerbet. E.H.Y.N. reports research sponsorship from Merck. N.L.V. reports consultancy and conference fees from Ferring, Merck and Merck Sharp and Dohme. The remaining authors declare no competing interests in relation to the work presented. All authors have completed the disclosure form.Universitat Autònoma de Barcelona 22020-01-0120202020-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/283569https://dx.doi.org/urn:doi:10.1093/humrep/deaa241reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original.https://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:2835692026-06-06T12:50:31Z
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