Birth control?

Sydney

Hey girls. So recently I had a pregnancy scare since my period was late by a week and usually it's never late by 7 days. Told my parents and thankfully I'm not pregnant. (We did use a condom; too young for kids.) My mom wants me to get checked out to see if I can take the pill. I've read online some of the side effects to it but I wanna know is it really that bad? Like what does it really feel like?