Hi, Was Detected With Pcod Abt 2.5 Years Ago. Gynaec

Hi, was detected with pcod abt 2.5 years ago. Gynaec put me on yasmin fr about 2.5 years. I changed my gynaec recently. She asked me to stop the pill n do some blood tests in dec. 1st minth aftr stopping the pill I got my pwriods on time. 2nd mqnth without the pill I havent got them. Ahe suggested I use duphaston 10 mg for 5 days. 2 tabs per day. I still havent got my period. I had protected sex qround 23 rd. Pls help