I got my periods on 29th of jan and I had unprotected sex with my fiancé on 4 n 5th day of period tht is 1st and 2nd feb as by tht time there was no blood flow .. And He also pulled it out before he ejaculated n I took a pill on the 4th of feb... Usually my periods come on the 28th day it was due on 25th feb.. But it's delayed by 10 days.. I have taken almost 6 pregnancy tests and its negative.. But still haven't got my periods.. I took one today it's negative .. Now I'm worried!? Pls help.. Should I take another test am I pregnant plz help