Hi Doctor, I really you assistance, My periods date is 12th-13th of every month, but for the past 2 months my periods are on abnormal dates, last month it started on 17th but contibues till 27th which is very abnormal, this month my periods have not started yet (Today-22nd). I had protected sex 50 days back with my fiancé, i am very tensed now, could you please advise, I cannot go to a doctor now. Please let me know if you need any more details. Please help.