Is this a crazy idea?

So I know that this is going to sound crazy as I write this. 
This past year has been the worst for me, with my reproductive system and everything. 
A condom broke, and even with taking Plan B, I ended up getting pregnant, and having an ectopic pregnancy. I had the surgery, and they didn't have to remove anything, but still a very painful recovery. 
I had the IUD put in because I didn't want that to happen to me again. 
I am young and not wanting children, both at the moment, or in the future.
I have terrible anxiety, like panic attacks and everything. Despite having the Mirena, I compulsively take a pregnancy test about twice a week. 
I have now started to get symptoms from being on the Mirena, such as sore boobs, headaches (migraines), and heavy discharge. As well as very heavy cramps not just during my period, but throughout my cycle.
I don't want to go off the Mirena because I don't want my anxiety to get even worse. 
Part of me wants to talk to my doctor about having a hysterectomy. I know that is a bit drastic, but I don't want children in the future, and if I change my mind I can always adopt. What are your guys' experiences/opinions? 

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