soo I’m nervous 😩

So I haven’t had sex with a guy in 5 years & im honestly nervous. I’ve had sex once my whole life 😭 crazy right I’m 19 now. Lol anyways I’ve been having sex with females ever since and now I wanna go back to being with a guy but I’m nervous on so many levels like from what if I don’t do it right to what if I get pregnant 🤰🏽 WHAT SHOULD I DOOOO 😩