Clomiphene citrate (CC) has been most widely used and standard drug for the treatment of infertility. It is known that clomiphene citrate results in an ovulation rate of 60-85%, but a conception rate of only around 20% (Bayar et al 2006, Sohrabvand et al 2006). About 20-25% of women are resistant to CC and do not ovulate. Discrepancy between ovulation and pregnancy rate is related to anti-estrogenic activity on endometrium and cervical mucus is due to CC has a long half life of 5 to 7 days.