Virginity

Okay so me and my boyfriend have known each other for awhile now and we were never really serious till recently. We keep talking about having sex, keep in mind i’m a virgin still, but obviously i want to. the only thing is that I’m scared that if i don’t get on birth control & we end up having sex & just using a condom i’ll get pregnant, which is definitely something i’m not trying to do seeing that i’m 17. I feel like maybe i should just hold off on having sex for awhile but i also really want to. any suggestions ?? & also it seems like the easy answer is just go on birth control but i cant bc there is literally no way i can get it unless my mom gets it for me..