Professor R. Fanchin is specialized in Obstetrics and Gynaecology and Reproductive Medicine and his University and clinical activities have been exclusively centered in Reproductive Medicine for almost 30 years. He obtained his PhD degree from University of Paris-Sud 11 in 2005. Professor Fanchin has been invited to speak in over 250 international meetings, is full member of the Society for Gynecologic Investigation, and was awarded the Society for Assisted Reproductive Technology Prize Paper by the American Society for Reproductive Medicine in 1999. His current research interests include the assessment of ovarian follicular status, ovarian ageing, and controlled ovarian stimulation strategies. Professor Fanchin, along with his colleagues, has published over almost 200 peer-reviewed articles in international journals. After running the Center for Reproductive Medicine at Antoine Béclère Hospital, Clamart, France (2002-2016) and the Center for Reproductive Medicine at Foch hospital, Suresnes, France (2016-2018). he is now working at La Muette ART center in Paris.