Hi I have been taking letrozole 2.5 mg twice 2-5 days from pst 4 months . Egg size is at 18-20 mm on 12th day but no luck in pregnancy. My both tubes are patent. Took even injection for egg rupturing still no luck last month. I had one miscarriage in 6weeks 2 yrs back We have been trying from this yr march This month My gynaec recommend me letrozole 2.5 mg from 2-6th day period And humog 150 iu injection on 5th and 7th day of period. Can i take both? What is the use and success of getting pregnant? Pls help me