ok, i had unprotected sex a month ago and my bf didn't ejaculate inside me...but i dint wanna take a risk so i took an i-pill and i got the  withdrawal bleeding after a week or so....and i heard after taking the pill ,periods might get delayed and its been tow weeks now...i haven't got my periods as yet...but i get all the symptoms of getting my periods...i even took a pregnancy test which turned out negative...what do i do?