We had unprotected sex on 9th June night. Mistakenly some of his seimen has left inside vagina during intercourse. It was 18th day after my last period. I was doubtful about getting pregnant. So I took i-pill on 10th June 9:30 pm.(i.e. 22 hours after intercourse). But till next day morning nothing has happened. What does it mean, am I pregnant or not? I am very much worried about it as my second baby is only 5 mo ths old and I don't want to be pregnant right now. Please help me.