depends heavily on the IUD and the person putting it there. The pain ranges from
"minor discomfort" during the insertion and was fine by the next day
to
hurt less than a pap smear and had cramping for the next couple of days
to
hurt a lot; felt like I was having heavy cramps for the next two weeks.
...so...yeah, quite a range.
After the initial soreness is over, the patient usually gets used to the IUD. The sex...some people complain about the sex being uncomfortable, others say that they don't notice it. With the Mirena IUD, a lot of MALES complain about the tip of the IUD poking their tip...
There is a risk of infection when inserting the IUD, and there is also a higher risk of bacterial infection with the IUD. Many suggest having a monogamous relationship to downplay the risks.
The risk of pregnancy depends on the IUD itself, but it's fairly close to 99%.
I'm sure all that info deterred you away from getting an IUD...but...I'm a guy...working in a hospital...so I never hear about the "good things"...I just hear about the complaints. Perhaps someone with an IUD can come tell you how wonderful it is. Your doctor or the local planned parenthood center should have more info on this. The local planned parenthood center does perform IUD insertions, but I believe the locations that they offer are limited. You can find more info here:
Planned Parenthood IUD (http://www.plannedparenthood.org/health-topics/birth-control/iud-4245.htm)
Actually none of that deterred me from getting it. All that I am really worried about is infection, and it's accuracy.
Ironically enough, the only person that I know that has gotten it is a parapalegic, so asking her whether it hurt would be kinda pointless..