Short-Term Androgen Priming Before COS Using Aromatase Inhibitor and hCG During Early-Follicular-Phase GnRH Antagonist Administration - a Randomized Controlled Trial

Inclusion Criteria: * Indication and wish for IVF/ICSI treatment * Womens age 20-39 years (both inclusive) * Regular menstrual cycle within normal range * Body Mass Index: 18-30 kg/m2 (both inclusive) * Negative pregnancy test before treatment * A maximum of 3 earlier IVF/ICSI treatments that did not result in pregnancy Exclusion Criteria: * serious systemic disease * Presence of polycystic ovarian syndrome (PCOS) * Earlier poor response with less than 4 mature follicles * Earlier participation in the investigation