I had sex on 22nd January that was the 5th day of my periods,since it was unprotected sex so I took ipill within an hour or so but 6 days after I got vaginal bleeding for 3-4days it wasn't like my periods. I usually get my periods 5-7 days earlier than my last date of periods. It is 11th today Nd I had my last periods on 18th bt didn't hAd my periods..do I need to worry . Can I get pregnant