I had unprotected sex(but he pulled out every time) I started my new pack a few days after because they were out of stock when I went to go get before boyfriend came..I'm on the pill now and I am on my third white pill and still haven't started period and I'm over a week late for my period..I'm scared..I don't know what to do..please help..the thing is I haven't been on the pill for awhile ..I skipped it for a few months and then started again a few days after the sex. help?