Résumé
Objective. - The French Law relating to Bioethics allows access to medically assisted reproduction for lesbian couples and single women and has expanded the possibilities for self-preservation of gametes. The question now arises of new uses of gametes of the couple, within couples of two cis women, one cis woman and one transgender woman, or two transgender individuals. The acronym EUGIC (Extension of the Use of Gametes in IntraCouple) allows these new situations to be grouped together, particularly if gametes have already been previously cryopreserved, thus avoiding the need for gamete donation. Methods. - Analysis of the different situations of sperm use from a trans woman using gametes available within the couple rather than gamete donation. Results. - The inconsistency in the use of sperm from a trans woman, the situations already encountered by professionals, the prospects for filiation for a trans woman as well as the issues related to the interest of the unborn child are discussed. Conclusion. - French law does not fully address the use of a trans woman's spermatozoa to meet the new EUGIC requirements and leads to complex situations for healthcare professionals. (c) 2024 The Authors. Published by Elsevier Masson SAS. This is an open access article under the CC BY-NC- ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).