I did see my specialist a while ago, but didn't share with her the side effects I was having with the pill with her. The doc has been concerned about me taking the pill because of my weight/family history and so I asked her what she thought. She told me the Mirena was the best thing to happen to female contraception since the innovation of the pill and really sang its praises.
The Mirena has a sheaf of Levonorgestrel. This hormone is also used in contraceptive pills such as Eugynon, Logynon, Microgynon, Ovran 30, Ovranette and Trinordial. In the Mirena, however, a much lower dose is released than when you take the Pill (about 1/7th strength), and it goes directly to the lining of the womb, rather than through the blood stream where it may lead to the common progesterone-type side effects.
I just got freaked out before posting this thread because of reading some horror story on another forum about a woman experiencing PCOS type symptoms just from having the mirena!
For me it seems such a great solution to my major problems. My period is still completely irregular on the pill (it comes or doesn't in the pill free days, and stays as long as it chooses regardless), and the only real benefit I've had from the dianette is an immense
reduction in acne. But what is the point of having contraception when you don't want to have sex because of it!!!
My GP told me to go to Family Planning for advice about the Mirena versus the pill and I cannot sing their praises enough. Every single doctor or nurse I've seen there has really had time to talk to me and to answer all my questions and repeat complex things with diagrams if necessary. They also didn't look blank when I said PCOS to them. I went today with my Mirena worries (sparked by said horror story) and I left feeling valued and reassured! They totally rock.
There's some info about mirena here if you're interested: http://www.womens-health.co.uk/mirena.asp