am I fertile ?

Okay ladies I need help! I am 17 years old , and I know it's not a good idea so please don't comment "should've used protection" and stuff that's not what I'm asking. The guy who took my virginity and I had sex about 5 times and he came in me every time, my boyfriend has came in me 4 times. And these two are over the course of 2 years. I have never gotten pregnant. Am I not fertile? I'm sure there's been a few more times I can't think of. But I have been came in about 10 times and never even been late. I'm kind of scared that I won't be able to have kids... please comment .