All patients in the combined metformin-CC group received metformin HCl (Cidophage®;Chemical Industries Development,Cairo, Egypt), 500 mg thrice daily for 6-8 weeks. Then after the end of this period, they received 100 mg CC (Clomid®; Global Napi Pharmaceuticals,Cairo, Egypt) for 5 days starting from day 3 of menstruation (increased by 50 mg in the next cycle in case of anovulation ). Patients continued treatment for up to six cycles. Metformin was stopped only when pregnancy was documented. All patients in the control group underwent laparoscopic ovarian diathermy, then followed up for 6 months.
