birth control
"I had this for 3 months and bled non stop. It completely screwed up my hormones. I felt insane and couldn't control my moods. I had horrible cramping, headaches and bled for 3 entire months, nonstop. When I finally decided to have this removed, it took 1 and a half hours and my doctor had to cut my arm twice to find it since it had migrated. Horrible, horrible experience. I would never get anything like this again. :("