Does Letroz 2.5 Help With The Polucystic Ovary?

hello i am 26 yrs old my periods are regular and past 2 yrs we are planning for a baby every reports are normal and finaly my Dr said to go for laparoscopy then we found out rightside its polycist now Dr given me letroz 2.5 from 4th day of my period i want to know i will become pregnant or what can u pls help me