I had intercourse on 8th aug with no ejaculation inside  and take unwanted 72 within 6 hour and my expected date was on 22 aug i got my periods on 19 th aug it is as normal as periods but in September i dont get any period and now in october also don't get period i had done home pregnancy test on my first period missed that was negative yesterday i take test that was also negative when will i get my period ? Pls help and what to do ? Why this happened? Is this sign of pregnancy ? I have problem of pcod 5 month ago pls help what to do