Mirena weight gaing/loss? How did you find it

DancingJester

I'm getting mine tomorrow and my only concern is weight gain. Is this very common with this IUD. i didn't have any symptoms when i was on the patch other than retaining water weight which made it hard to lose (if i wasn't that sensitive to hormones will it mean i'm less likely to have weight gain). I hated having the thing on me all the time and i cant remember the pill.
What did you think of it? did you gain?