Help is their somthing wrong with me

Hello a year ago in this month I lost my verginity to my bf we still together... But the point is out off the whole time we been together we only had protected sex.like 15 times out of i dont know how meny times and I havent ended up pregnant I know im young but makes me wander why havent I fallen pregnant this problem makes me fill like trying and makes me wander if theirs somthing wrong with me or him help me pleace? What might be wrong with me

[zarazara]

do you mean that you have been having protected sex?? you cant possibly get pregnant while having protected sex,(means wearing a condom)unless it breaks

[Niki159]

No I been we been haveing unprotected sex.like alot the times that were protected are ike 15
15 protected sex
Like 150+ unprotected