I had my period Nov.8th me and my boyfriend had sex 3 times on Nov. 11th and he nutted all the way in me each time. I have stomach pains now and use the bathroom a lot more/hungry

You certainly could be.

But you could have a illness.

You'll have to wait until you miss your period. If you do you'll need to wait about two weeks after your missed period ot do a test, but that will tell you.