When should I get birth control

Jenna

So I’m wanting to get birth control that would help my period not be as bad but I’m 13. I have hated my period and having to track it. I also can’t swim for school due to symptoms and how much it bleeds. I have had my period for 3 years. I want advise or help in what I should get, use, or take. So what do you think?🤷‍♀️🤔