hi, i am 30yrs old and was detected with PCO on 6 months ago. my blood test reports (such as TSH, LH, FSH etc) are within the normal range.now i m trying to conceive for last 3 months.everyday i take glyciphage tablet twice daily.on day 2 to 6 letroze 2.5 mg twice and Humog 75iu injection on day 3 and 8.everymonth i go for folicular study on day 13, 15 etc. 2 times out of 3 months my follicles are ruptured on day 15.but can,t conceive. pls suggest