Felice Petraglia is Professor of Obstetrics and Gynecology at the University of Florence and Chief of the Maternal – Infancy Department, Careggi Hospital, Florence, Italy. He is Fellow-ad Eundem of the RCOG. Dr Petraglia is also Editor Emeritus of Human Reproduction Update, Editor of RBMO and Associate Editor of Reproductive Sciences. He is Past President of the Society of Gynecologic Investigation (SGI) and of the Society of Endometriosis and Uterine Disorders (SEUD).