Petrified of Being Pregnant: Need Advice

I am petrified that I am pregnant. I am afab (assigned female at birth), 19 years old, and not on birth control. It has been approx. 2 weeks since my partner and I had unprotected sex. He didnt ejaculate in me, but he usually has a decent amt of pre semen. I know it isnt likely, but I have fully convinced myself i got pregnant from that. As to why i had unprotected sex, I dont know. I guess i wanted to try something new but ended up feeling immature, impulsive and stupid. I am 6 days late for my period, although it usually is a little late or early, but I cant help but freak out. I am open to a termination if i am indeed pregnant, but that isn't a relief either. Its more of a "what if i get sick from abortion pills" or "what if my parents find out if i use our insurance". Im going to test myself tomorrow, but I cant help but feel like this is the end of the world.