Medically assisted reproduction (MAR) with sperm donation: comparison of the profiles and medical pathways of unmarried women and women in heterosexual couples.

The legislation allowing unmarried women to undergo medically assisted reproduction (MAR) with sperm donation was adopted in France on August 2, 2021. This major advancement, and its impact on French society, led us to a closer examination of the requests made by unmarried women and the outcomes of ART attempts. A retrospective single center cohort study was conducted in a fertility center in Paris, France. All unmarried women and women in heterosexual couple seeking for MAR using sperm donation between September 2021 and October 2022 were included. Medical and socio-demographic data, as well as details and outcomes of MAR attempts were analyzed until October 31, 2023. Two hundred seventy-two unmarried women and 76 women in heterosexual couple were included. Results were compared between the two groups. Unmarried women were significantly older, with a significant decrease in anti-Müllerian hormone (AMH) and antral follicle count (AFC). They also exhibited a higher prevalence of gynecological pathologies associated with infertility, such as endometriosis. Unmarried women were more likely to work in intermediate occupations, whereas women in heterosexual couple more often had employee status. Among unmarried women who had undergone at least one MAR attempt by October 31, 2023, significantly lower cumulative early and ongoing pregnancy rates were observed. Female age appears to play a major role in the likehood of pregnancy and live birth. It is therefore crucial to inform women initiating the process of MAR with sperm donation that success is not guaranteed.

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Declaration of competing interest none