I've been having issues with my periods for several years now. Sometimes I don't have one at all. Or else they get so bad to the point I throw up for feel to dizzy or sick to do anything. I get really shaky too and cold the whole time I'm on one. A lot of times they are heavy. Or else so light I barely have a period. I'm 17. I've told my mom about this issue and she doesn't ever really say much. What should I do? Should I consider birth control? I've never been on it before. My mom seems like she would be VERY against it too. That's why I am to scared to ask to be put on it. :(