I THANK GOD AND SCIENCE FOR MIRENA!
My heavy-painful periods are light/mild/ non-existent for the last two years. I had it done in the OB/Gyn office.
It was the equivalent of a pap smear and I cramped and bleed a little (because they have to implant this tiny little Y shaped plastic devise in your uterus by way of your cervex.
Thus the cramping and a little blood.
I don't have to worry about the rhythm- method.
My periods are so very light that it's more of an off-color discharge. I don't get emotional or moody like I was on the pill (which lasted a whole two months-that junk will make people cRaZy!)
I love it and it lasts 5 years, so after the 5-year mark you have it removed and maybe have more little ones, or have it removed and replaced for another 5 years.
Whatever your choice is, do your research, don't listen to what some doctors may say, they're business people, they're in the biz to make money too. Google it, read research done, Look into it for yourself. YOU will have to live with the repercussions of your decisions.