New to sex !!!!!! Please help

So me and my bf Had sex for the first time and I'm on the last days of my period 
I don't think he pop my cherry cuz it didn't hurt and also when I felt him go any further in me he kinda stop b/c he saw it was hurting me so we took a break and we saw I guess cum or pre cum on the bottom of the condom but inside of the condom were consered if some pre- cum or cum could of gotten out of the condom and could possibably get me prego