birth control
"Have had this for a little over a year. I had my period for probably two months when it was first inserted, although it was very light. At first I would go about a month without my period and then have a two week period, sometimes more. Compared to how heavy my period was beforehand, it didn't bother me. Then I didn't get my period for four months which started to scare me, making me wonder if I was pregnant. however, it was a nice break from the norm, and I was not pregnant. It does its job, but can be unpredictable period wise."