Levonorgestrel
"I am 28 and I have had the Mirena for a little over 6 months now. I love it except for the fact that I have acne like a teen. I have tried everything to control the acne and nothing seems to work. I have a 4 year old and have decided to put off having more kids for awhile. Not to mention that I had 2 strokes back in June '08 from a heart defect and regular birth control causes blood clots so I had to get off the "ring." Mirena is one of the only choices when it comes to estrogen free birth control. I have not gained any weight, but my mood swings are horrible (my husband agrees). I still have had light periods and lots of spot bleeding in between. I have yet to have a month with NO period. We will see. I will keep you posted."