Hi My Name Is Maria.May This Year I Was On

Hi my name is Maria.May this year I was on opertion since I have paraovarian cyst. Operation was succesful. I still have right and left ovariess. I didnt have my period 3mnths aftr my operation. I had my period on september and it was so heavy. My OB advised to take premulot N for 10days and that's twice a day and she said i'll experience withdarwal bleeding and will start oral pill. Pls help i wantd to get pregnant but dont have normal cycle. Pls help me.