Prospective study conducted on 150 women with polycystic ovarian syndrome (PCOS) were randomly divided into 3 groups: group I (50 women) received clomiphene citrate (CC) only 50 mg orally every 8 hours started from cycle day 3 for 5 days, group II (50 women) received 2mg estradiol valerate daily from cycle day 7 - 11 in addition to CC and group III (50 women) received phytoestrogen (20mg of cimifuga racemosa from day 1- 12) in addition to CC.

Prospective study conducted on 150 women with PCOS were randomly divided into 3 groups: group I (50 women) received CC only50 mg orally every 8 hours started from cycle day 3 for 5 days, group II (50 women) received 2mg estradiol valerate daily from cycle day 7 - 11 in addition to CC and group III (50 women) received phytoestrogen (20mg of cimifuga racemosa from day 1- 12) in addition to CC.

Inclusion Criteria:

Women with both 1ry and 2ry infertility were included. All women were between 20 and 37 years old.

Exclusion Criteria:

women with endocrinological abnormalities as thyroid dysfunction or abnormal prolactin levels, those with hypothalamic or pituitary dysfunctions evaluated by low gonadotropin level, other causes of infertility as tubal factor evaluated by HSG or laparoscopy, abnormal uterine cavity evaluated by sonohystrography or hysteroscopy and male factor evaluated by semen analysis. Women with ovarian cysts were also excluded from the study