A randomized controlled trial conducted in Cairo University hospitals and Dar Al-Teb subfertility and assisted conception centre, Giza, Egypt. 140 women undergoing IVF/ICSI with POR according to the Bologna criteria were randomly divided into 2 equal groups. The study group received DHEA 25mg three times daily for 12 weeks before the IVF/ICSI cycles and the control group did not receive DHEA