Copper IUD ; good or bad

Dana
hey guys!
I've had my copper IUD in for about a year and a half, and I never met anyone else who has it. I've done my research on it but I'd like to know what others have actually experienced with this certain IUD. I can say that since I got a copper IUD, my periods have been regular but I also cramp a lot more than before. Just wanted to know a little bit more about why some of you have it, how it's worked for you and if you would suggest it for a friend. 
I got mine after an incident with an ex boyfriend, which led me to not keep the child. please don't leave no hurtful comments about this, it already hurts me enough knowing what happened. 

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