Ovarian Ageing: Decline of Follicle Quantity and Oocyte Quality with age Redrawn after de Bruijn, te Velde. In: Preservation of fertility. London, Taylor & Francis, 2004:3. Sofar: AVERAGE percentages Fertility and Variation PRECONGRESS COURSE 09 I VIENNA, AUSTRIA – 23 JUNE 2019 93 90