As far as pregnancy goes, anytime a guy puts his penis inside a vagina, the woman can get pregnant, even if he doesn't have an orgasm (the pre-cum is loaded with sperm), which is why the pull out method doesn't work (a onetime friend of mine became the father of twins trying to use the pull out method exclusively).
So get on the pill or use an IUD if you're going to have sex. Keep in mind that if you get the pill you have to wait a month between the time you begin using it and when you can start having sex. [ VoiceofReason's advice column | Ask VoiceofReason A Question ]
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