my boyfriend and I have been having sex with no condom or birth control but he has been pulling out everytime, but we still worry about getting pregnant. my period is now 4 days late and I know it's not that long but I started to worry and I told him and now we are both freaking out and I just want to know if any of you guys think I'm pregnant? my period has been a but irregular in the last but not 4 days late..I'm only 15 so I really need help here and I just need advice and some opinions, thanks!