Does Dehydro Epiandrosterone (DHEA) Improve Pregnancy Rate in Women Undergoing IVF/ICSI With Expected Poor Ovarian Response?

140 women with expected poor ovarian response undergoing IVF/ICSI will be randomly divided into 2 groups using computer generated random numbers . Group 1 ( study group) will receive DHEA 25 mg ( DHEA 25mg, Natrol , USA) t.d.s daily for 12 weeks before starting IVF/ICSI cycle. Group 2 ( control group) will not receive DHEA. Patients included in the study will be subjected to full history taking and clinical examination. On the second day of menstruation serum FSH, LH, Prolactin and Oestradiol will be assessed and the antral follicular count (AFC) will be assessed using a vaginal ultrasound scan. AFC will be defined as the number of follicles measuring 3-10mm. All patients will have gonadotropin antagonist protocol with Human menopausal gonadotrophin (HMG) stimulation until the day of (Human chorionic gonadotrophin (HCG) administration. On the day of HCG administration, ovarian ultrasound scan will be performed using a transvaginal probe. Oocytes will be aspirated 34-36 hours after HCG administration. Oocytes will be fertilized and embryos will be transferred. Both groups will be compared regarding the proportion of pregnancy.