me and my girlfriend had sex for the first time (we were both virgins) about 10 days ago. it was protected sex, and it only lasted 10 minutes, and i didn't ejaculate inside of her. we did have unprotected foreplay before hand but and our privates touched, but i never inserted myself inside of her.

my girlfriend called me the 2 days after we had sex, and told me that she feels tired all the time, and has been worried ever since. last night she said that she felt her breasts felt bigger, but they were tender or sore or anything like that. and just today, 10 days later, she told me that she has some really minor abdominal cramping. there really isn't any other symptons, and i know i should just wait til her period to figure things out, but its kind of scaring me now. she is supposed to have her period in the next couple of days. is it likely, from these symptons, that she is pregnant? any help would be appreciated.

we are both young and not looking to have kids right now.