There was significant reduction in testosterone ( p 0.001 ) , fasting insulin ( p 0.001 ) , and fasting glucose/fasting insulin ratio ( p = 0.029 ) in metformin plus letrozole group , while there was significant reduction in FSH , LH and LH/FSH ratio in bilateral drilling group ( p 0.001 , 0.001 and 0.001 ) .
