Clomiphene citrate (clomid) (50mg) will be given for 5 days (days 3-7). Transvaginal ultrasound from 9th-20th every other day if ovulation occur the patient will be excluded if no ovulation, we will wait for the next menses and increase the dose to (100mg). if no ovulation occurred increase the dose to (150mg) in the next cycle if no ovulation increase the dose to (200mg) TVUS from 9th-20th ovary other day. If no ovulation we will wait for next cycle and increase the dose to (250mg) and so till 6 cycles .