Medroxyprogesterone
"I'm twenty years old and I've been on this birth control for over two years and have never had a problem with it. I've always had irregular periods and when I did have them I was in immense pain, but since I've been on the Depo shot I haven't had any spotting or a period and it's wonderful. First week or so I had mood swings but that was all. A+ in my book! Also, I haven't had any bone density issues."