Levonorgestrel
"The pain of insertion was huge and I've had lots going on down there with a few cysts and surgery and stuff and this was the worst. Also, no one tells you about the blood from the insertion itself. There was a lot of blood, all over the place. My doctor said it was normal which I'm sure it was, but there was quite a bit, like the floor and the wall and the bed. I have now been bleeding for over two weeks and have had a lot of cramping. I've felt like shit, bad headaches, tired and everything. Not fun given it's end of school year...I have to agree with someones former remark, it's so effective at birth control because you really just don't want sex and all the blood. My husband has not been happy."