age-18

1st had sex at 17 light bleeding went away. no cramps nor soreness, (lasted 5min tops, last year)
Had sex 4 days ago, im 18 now. Had light bleeding that same day and I still see light blood when I wipe. Few cramps.
Unprot. sex, but he says he didn't "bust" and we stopped everynow and then to make sure. He said he was positive and could
tell when he was about to.

Still not sure If I could be prego.
I'm about to cry, :-( please help

-Dumb Chick.