{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,23]],"date-time":"2026-08-23T16:20:13Z","timestamp":1787502013900,"version":"build-2736575974"},"reference-count":45,"publisher":"Oxford University Press (OUP)","issue":"10","license":[{"start":{"date-parts":[[2025,7,31]],"date-time":"2025-07-31T00:00:00Z","timestamp":1753920000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004359","name":"Swedish Research Council","doi-asserted-by":"publisher","award":["2021-03174"],"award-info":[{"award-number":["2021-03174"]}],"id":[{"id":"10.13039\/501100004359","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2025,10,1]]},"abstract":"Abstract<\/jats:title>\n \n STUDY QUESTION<\/jats:title>\n What are the perspectives of oocyte and sperm donors\u00a014\u201317\u2009years post-donation on the release of their identity and potential contact with donor-conceived offspring (DCO)?<\/jats:p>\n <\/jats:sec>\n \n SUMMARY ANSWER<\/jats:title>\n Most oocyte and sperm donors\u00a0wanted to be notified about future releases of their identity and were positive towards contact with DCO, but more than half expressed a need for support in relation to potential contact.<\/jats:p>\n <\/jats:sec>\n \n WHAT IS KNOWN ALREADY<\/jats:title>\n Worldwide, an increasing number of individuals conceived by open-identity donation are reaching an age where they may request donor identity. Little is known regarding donors\u2019 preparedness for identity-release and potential contact with DCO.<\/jats:p>\n <\/jats:sec>\n \n STUDY DESIGN, SIZE, DURATION<\/jats:title>\n This study is part of the \u2018Swedish Study on Gamete Donation\u2019 (SSGD), a longitudinal multicentre study including oocyte and sperm donors\u00a0at all clinics performing gamete donation in Sweden. Consecutive recruitment during a 3-year period (2005\u20132008) resulted in an initial sample of 299 donors (80% response rate). The present study concerns the fifth wave of data collection of the SSGD conducted 14\u201317\u2009years post-donation, with very high response rates (oocyte donor\u00a083%, sperm donor\u00a092%). Following exclusion of donors who knew the recipients and\/or knew that the donation had not resulted in a living child, the final sample comprised 100 oocyte donor\u00a0and 91 sperm donor.<\/jats:p>\n <\/jats:sec>\n \n PARTICIPANTS\/MATERIALS, SETTING, METHODS<\/jats:title>\n Fourteen to seventeen years after having participated in open-identity donation of their gametes, participants completed a postal survey with study-specific questions. Questions concerned preferences related to the release of their identity to DCO, attitudes towards future contact with people conceived from their donations, need for support regarding potential contact, attitudes towards the perceived importance of the genetic link between parent and child, and openness about having donated oocytes or sperm. Chi-square tests, independent t-tests, and Mann\u2013Whitney U-tests were used to compare responses between oocyte and sperm donors. Multinomial logistic regression was used to identify factors associated with donors\u2019 attitudes towards future contact with DCO and need for support. Content analysis was used to analyse free-text responses.<\/jats:p>\n <\/jats:sec>\n \n MAIN RESULTS AND THE ROLE OF CHANCE<\/jats:title>\n Almost all oocyte and sperm donors\u00a0wanted to be notified about requests for their identity (93%). A majority had positive (71%) or neutral (19%) attitudes towards contact with DCO, but a small group was negative (10%), and more than half wanted support related to potential contact (59%). Free-text responses indicated that donors took the interests of both the DCO and their own family members into account when considering future contact. Donors\u2019 attitudes towards contact with people conceived from their donations and donors\u2019 need for support were not predicted by socio-demographic factors such as donors\u2019 gender and legal children, nor by the perceived importance of the genetic parent\u2013child link. While oocyte and sperm donors\u00a0displayed similar perspectives on most outcomes, oocyte donors\u00a0were found to be more open about having donated to all people except partners (All P-values &lt;0.05) and sperm donors\u00a0placed a higher value on the genetic parent\u2013child link (P\u2009=\u20090.005).<\/jats:p>\n <\/jats:sec>\n \n LIMITATIONS, REASONS FOR CAUTION<\/jats:title>\n While the multicentre design and high response rates strengthen the external validity of our findings, the results may not be generalizable to originally anonymous donors. The scope of the qualitative analysis was limited due to the restricted number of free-text responses. An interview format may be needed to further explore donors\u2019 thoughts and feelings regarding potential contact with DCO.<\/jats:p>\n <\/jats:sec>\n \n WIDER IMPLICATIONS OF THE FINDINGS<\/jats:title>\n At a time when increasing numbers of donor-conceived people can request donor-identifying information, our finding that donors generally are positive or neutral towards being contacted by DCO is encouraging. Long-term support of open-identity donors should include notification about requests for their identity and access to counselling and information about handling potential future contact with people conceived from their donations.<\/jats:p>\n <\/jats:sec>\n \n STUDY FUNDING\/COMPETING INTEREST(S)<\/jats:title>\n The study has received financial support from the Swedish Research Council (grant number 2021-03174), the Swedish Research Council for Health, Working Life and Welfare, and grants from the Swedish state under an agreement between the Swedish Government and the County Councils, ALF Grants, Region \u00d6sterg\u00f6tland. The authors have no conflicts of interest to declare.<\/jats:p>\n <\/jats:sec>\n \n TRIAL REGISTRATION NUMBER<\/jats:title>\n N\/A.<\/jats:p>\n <\/jats:sec>","DOI":"10.1093\/humrep\/deaf134","type":"journal-article","created":{"date-parts":[[2025,6,25]],"date-time":"2025-06-25T07:59:22Z","timestamp":1750838362000},"page":"1947-1956","source":"Crossref","is-referenced-by-count":4,"title":["Are open-identity donors prepared for release of their identity? Long-term follow-up of a national sample of oocyte and sperm donors"],"prefix":"10.1093","volume":"40","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1739-4486","authenticated-orcid":false,"given":"Claudia","family":"Lampic","sequence":"first","affiliation":[{"name":"Department of Psychology, Ume\u00e5 University , Ume\u00e5,","place":["Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0442-0569","authenticated-orcid":false,"given":"Emilia","family":"Thorup","sequence":"additional","affiliation":[{"name":"Department of Psychology, Lund University , Lund,","place":["Sweden"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6681-8601","authenticated-orcid":false,"given":"Marie","family":"Bladh","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynaecology in Link\u00f6ping and Division of Children\u2019s and Women\u2019s Health, Department of Biomedical and 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