hello doctor, last month I had my period on 2nd of July & it lasted till 7th of July.then I had protected sex 3-4 times in 2-3 days after that on 10th of July I took unwanted 72 pill & after that on 14th I had unusual bleeding spotting in technical terms which lasted for roughly 2 days.Then again on 29th & 30th of July I had protected sex & immediately after that on 31st I took I-pill.but now it is already 5th of August & I didn t have my periods yet. I am really very tensed please help me & tell me why is this happening & what s the reason for the delay in periods..what should I do?