300 women with expected poor ovarian response (POR) undergoing in vitro fertilization or intra-cytoplasmic sperm injection (ICSI) will be randomly divided into 2 equal groups using computer generated random numbers. Group 1 will receive Dehydroepiandrosterone (DHEA) 25 mg ( DHEA 25mg, Natrol , USA) t.d.s daily for 12 weeks before starting IVF/ICSI cycle and a placebo similar to growth hormone (GH) daily from day 6 of stimulation until the day of human chorionic gonadotrophin (hCG) trigger. Group 2 will receive an oral placebo t.d.s. daily for 12 weeks before ICSI in addition to GH (Somatotropin, Sedico, Egypt) 4 IU on day 6 of hMG stimulation in a daily dose of 2.5 mg subcutaneous (SC) until the day of hCG triggering.