Most Helpful Guy
Statistically if you had unprotected sex and he came in you. It's very likely. Especially if you are young, relaxed, and fertile. Did you orgasm? Studies show that LARGELY increases your chances of getting pregnant.
If he didn't cum in you, it's pretty fucking unlikely. Can happen, but highly unlikely.
Most Helpful Girl
Could happen but they say most women ovulate on the 14 through the 17. Only thing to do now is what out the two weeks and hope for your period or a BFN on a test.