ive had unprotected sex a few times, but my boyfriend always pulls out. however one night i forget to take my birth control pill, but remembered the next morning when i woke up, which was 8 hours later. a week or 2 later, i bled a week before i was suppose to get my period. then a week later, i got my period on time. am i okay? should i worry about ANYTHING ? please help ! thank you !