{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,16]],"date-time":"2026-09-16T05:33:47Z","timestamp":1789536827099,"version":"build-2803163510"},"reference-count":29,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2012,6,15]],"date-time":"2012-06-15T00:00:00Z","timestamp":1339718400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Obstet Gynecol Scand"],"published-print":{"date-parts":[[2012,8]]},"abstract":"<jats:title>Abstract\u2002<\/jats:title><jats:p><jats:italic>Objective<\/jats:italic>. To study donors\u2019 motivation and ambivalence before donation of gametes. <jats:italic>Design<\/jats:italic>. Cross\u2010sectional study. <jats:italic>Setting<\/jats:italic>. Seven Swedish university hospital clinics. <jats:italic>Sample<\/jats:italic>. Of the 220 eligible oocyte donors and 156 eligible sperm donors who were approached, 181 (82%) oocyte donors and 119 (76%) sperm donors agreed to participate. <jats:italic>Methods<\/jats:italic>. Gamete donors completed a questionnaire in the clinic prior to the donation. <jats:italic>Main outcome measures<\/jats:italic>. Motives and ambivalence towards donation. <jats:italic>Results<\/jats:italic>. In general, gamete donors donated for altruistic reasons (95%). A greater percentage of oocyte than sperm donors had a personal experience of biological children, which motivated them to donate (65 vs. 32%). A greater percentage of sperm donors compared with oocyte donors were curious about their own fertility (24 vs. 9%), and they also believed that they were contributing what they regarded as their own good genes to other couples (45 vs. 20%). Prior to donation, potential sperm donors were more ambivalent towards donating than were oocyte donors (39 and 21%, <jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.001). <jats:italic>Conclusions<\/jats:italic>. The motives to donate gametes are mainly altruistic. We conclude that men and women differ in their view towards donating gametes. Sperm donors had a higher degree of ambivalent feelings towards donation than oocyte donors.<\/jats:p>","DOI":"10.1111\/j.1600-0412.2012.01430.x","type":"journal-article","created":{"date-parts":[[2012,4,27]],"date-time":"2012-04-27T05:50:11Z","timestamp":1335505811000},"page":"944-951","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":30,"title":["Gamete donors\u2019 motivation in a Swedish national sample: is there any ambivalence? 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