ParaGard
"I have had my Paragard for one year, and it's been great! Insertion was not pleasant, but it only lasts a moment and now it's nothing but a distant memory. My periods were heavier and my cramps more severe for the first three months, but after that they returned to nearly the same as before. So many people wrote about their terrible experiences that reading up almost stopped me from doing it, and now I'm so glad I got it anyway. Just remember that those who had a negative experience are more likely to post about it, so there's a bias! It's also totally possible that it will go just fine and be a fantastic BC method. Don't be too afraid to try it and see if it's right for you, you can always take it out if it's not."