INS and polycystic ovary syndrome: The results confirmed that treatment of letrozole for 21 days resulted in significant rise (P < 0.001) in FBG as well as insulin levels as compared to the control group, while as, However, in the group administered with LETZ+GA, we observed significant reduction (P < 0.001) in the FBG and insulin levels as compared to the LETZ-induced PCOS group (Fig. 2; table2).