I have been taking the pill perfectly untill my last pack I was on the first week of my new pack after I had a normal period on the pill and halfway through that first week i threw up my pill and that day my boyfriend stuck his d**k inside me and pulled it out it was only for a second and he did not ejaculate then 4 days after that (still not taking the pill) I got a heavy heavy period that lasted for a week ..now i just finished it and im worried about pregnancy please help me