3 months ago i had taken ipill on the 1st day of my period...then the next period is delayed 5 days , on 1st day of the month...and after that my two periods had came on 1st day of month...but in the 5june i and my bf were closed and he just put it in my ass for a while... But did not ejaculation there...for sure i have taken the ipill...and after that we did the same anal sex two times...but then we did not take the ipill...right now its 11 july...i have not got my period...what is the reason?