other 2023 Letter to the editor in response to 'A real-world study of ART in France (REOLA) comparing a biosimilar rFSH against the originator according to rFSH starting dose' by P. Barrière, S. Hamamah, E. Arbo, C. Avril, B. Salle, J.-L. Pouly, et al. (J Gynecol Obstet Hum Reprod. 2023;52(1):102510) Journal of gynecology obstetrics and human reproduction ·doi:10.1016/j.jogoh.2023.102640