hmm, I'm sort of worried about my body's reaction to the copper; I tend to have massive allergies of all kinds (contact, food-related, airborne, etc). My doctor mentioned that this could be an issue, which is why she suggested the Mirena.
Another Mirena question; does it really make you bleed a lot more? Before being preggo, and before going on the pill, I had massively long periods, with tons of painful cramping and clotting. It was so bad that I decided to take the pill. On the pill, my periods were a breeze: 4 days max, light bleeding, no cramps.