I too had weight gain, bad skin and the worst cramps in the world. Turns out that my cervix was trying to push the nasty thing out. I had mine taken out yesterday and I've started my period today with my usual associated migraine. I am pleased that I had it taken out I feel so much better; don't want to tell you what to do but I think you should weigh up whether the side effects are worth the hassle - in my case they weren't.