possibly pregnant:((

so i’m nearly 16 and i’ve been using birth control for about two years and i’ve gotten into a relationship a little bit ago.. well we’ve been having sex like crazy sometimes even 8 times in one day and this happens about 2-3 times a week and we do not use a condom. i’m kinda new to this whole sex thing, i’ve

only had sex a hand full of times before him.. i’m about 4 days late on my period and i’m so worried!! any advice??