please help!

caroline

i had unprotected sex with my boyfriend and now i think i’m pregnant, i am not on any sort of birth control, i right now can’t have a kid me(15) and my boyfriend (16) are not ready for a kid and my parents will kill me if they found out i am pregnant, i have a lot of the symptoms but i am supposed to get my period in 2-3 day, so i could just be period symptoms? i am a very young and dumb teenager and need some help.