I dont have a menstrual cycle

Patient: Hi my name is stephanie sanchez im 21 years old “please no judging on the age”…. im trying to conceive i married when i was 18 years of age i have been sexually active with my partner for 4 years without protection and i havent been able to conceive ….. we saw a fertility doc. he said i have pcos ovarion cyst and im over weight i weigh 220 im 5’5…… he told me we would start of with a pill clomid ………. i have the pills but i dnt have the money to see that doc anymore ….. i just now to take the pills 5 days after my period but my problem now is????? i havent had a period for almost a year ?????? and i dont now when i ovulate ????????????????? please help me im DESPERATE