I'm sure you all are tired of hearing this same situation for the umpteenth time, but it would just make me feel so much better if I could get someone to reply to me directly.

I was over at my girlfriend's house this afternoon. Things got a bit farther than we had intended. Both of us are virgins, so we don't really know what sex feels like, but again, we were fooling around. I was rubbing my penis on her underpants for awhile, and we started humping. Keep in mind, when we started, her underwear was between us. She told me to stop after a bit because it felt different. Her underpants moved to the side and was no longer between us. I doubt that I went in her, but I'm not 100% sure, and neither is she.

Now on the off chance that I did go into, what would be her chances of being pregnant? There was no orgasm, just precum. She is worried, and so am I. My last ejaculation was the night before hand, however I have gone to the bathroom several times since then. He last period was the first through the eighth, if that matters, too.

Thanks in advance. Hopefully everything will be okay.