What Could Be The Cause Of My Missed Period For Over 2 Months Despite Taking Meprate?

hi. im 30 yrs old. already i am pcod patient. i got my last periods on november 13, 2022. after that i didnt get my periods. took UPT. got negative. took meprate tablet from 19th jan to 21st jan. totally 3 tablets i took. its been now 10 days but still i didnt get my periods. i took UPT again on 26th jan. got negative. im really confused. what happen to me?