My step mom doesn't think I need birth control because I'm not having sex. But for a day or two my cramps are on and off and when I get them they are so bad sometimes they go straight up my spine. One day at school I fell over walking into a class because the pain went from my pelvic. Area to the top of my neck in shooting pain. Also, I'd like more control over my period, and not be surprised in the morning with bloody underwear! Any ideas? Comments? I need help please!