IUD- Nervous AF!!!

So I am just about to go in and have an IUD inserted. I have heard some horrific stories with pain, bleeding, putting on weight etc. I am just wondering what everyone else’s experiences have been.

I have also heard of people that swear by it, but not as many.

I have had to have it due to bleeding every couple of weeks. And also have massive cramps when that has happened.

And as a means of trying to control that.

Any guidance would be greatly appreciated!