I Had Polycystic Ovary Disorder But My Period Weren't Irregular.

I had Polycystic ovary disorder but my period weren't irregular. but to get over the problem of polycystic ovary my doctor prescribed femilon to me for 6 months . last month I stopped taking femilon as my course was complete. Will i have regular periods this month or there can be problems? My date has crossed already. Please help. No sexual activity. I am 17.