question: Hi Doctor. I had sex on july 8, 2014 with my boyfriend and unfortunately condum broke and he came inside me.i took ipill within 12 hours because of the fear of getting pregnant. my last period was july 5, 2014. i was supposed to get my period around 8th aug but no period till now. . plz tell what to do? should i take any medicine so that periods come or should i wait?