I think I'm pregnant!!!

I'm 16. My last period was from June 6-12. Then on the 19th I had sex with my boyfriend without a condom and he came inside me, I'm in birth control pills but for 2 days in a row before we had sex I took the pills an 2 hours later then I normally do . Now I'm scared. I'm going to get a pregnancy test but I'm scared anyways. I need help!!!!
I know that combined contraceptive pills you can take them at any time. That it doesn't matter at what time you take  them but I don't know if the one that I'm taking is combined 
I'm taking Trienor someone help me