Francisca Martínez San Andrés, Ginaecologist, PhD. Since 1986 working at Human Reproduction Unit at Dexeus Women, University Hospital Dexeus. Former clinical R&D, and currently senior consultant. Author/Co-author of more than 30 papers in peer reviewed journasl, and chapters in books . Active member in Scientific societies of fertility and contraception. Main interest in clinical work and research in human reproduction and contraception , intrauterine and hormonal contraception, ovarian stimulation protocols, and oocyte donation.