Since the 2021 revision of French bioethics laws, access to assisted reproductive technologies (ART) has expanded, leading to a significant increase in gamete donation requests. In this context, oocyte donation remains a limited resource, with marked disparities between centers and persistent donor shortages. At the Assisted Reproductive Technology Center of Nancy University Hospital, more than fifty women have initiated an oocyte donation process since the implementation of the new legislation. However, not all candidates complete the donation pathway, and clinical and organizational outcomes have not yet been formally evaluated. This retrospective observational study will evaluate the oocyte donation pathway at the Assisted Reproductive Technology Center of Nancy University Hospital. The study population will include all women who attended a biological consultation for primary or secondary oocyte donation from the implementation of the new Bioethics laws until December 31, 2025 (study period). Baseline clinical and biological characteristics of donor candidates will be described, including age, body mass index, anti-Müllerian hormone level, and antral follicle count. The proportion of donor candidates undergoing oocyte retrieval and the time interval between the first biological consultation and oocyte retrieval will be assessed. Biological and clinical outcomes will also be analyzed, including the number of oocytes retrieved, the number of mature oocytes (metaphase II) obtained, fertilization rate following in vitro fertilization, clinical pregnancy rate per embryo transfer, and live birth rate. Results will be compared with national data reported by the French Biomedicine Agency in order to evaluate the activity and outcomes of the center and to identify potential areas for organizational and clinical improvement in the oocyte donation pathway. The overall objective is to optimize donor management and improve access to oocyte donation for recipient patients.
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Proportion of donor candidates undergoing oocyte retrieval
Timeframe: From the first biological consultation until oocyte retrieval, assessed up to 12 months
Caroline AIMONE-VIANNA, PHD Medicine