What Can I Do To Regulate My Periods After Taking Gynaset But Still Not Getting My Period?

Hello, I am 23, years old and since 6-7 years.my weight is 57kgs I am having pcod and my periods Never come on time and get delayed .my dr. Suggested me to take gynaset tablet for 3 days to get periods.. My date was 1st Jan and I started taking it right from dec 26-28 to get it on time and stopped but still I did not got my periods.Could you please let me know any solution?