Levonorgestrel
"I've had my Liletta IUD in for 6 months now and the insertion wasn't bad, my periods come monthly for about a day or two. Everything was going good, but I've noticed that I've gained so much weight even while on a diet and working out daily I've gained 30-40lbs while on it and I can not seem to lose any of it! I feel bloated and always tired. I'm making an appointment and having it removed. So not worth all this weight I'm putting on for no reason."