I WANT To SUE MIRENA

I am sure i had to have my thyroid removed because of mirena,i got mirena inbout 4 yrs ago and had to have my thyroid removed just over a yr ago,i have never had thyroid problems before,also i have gained so much weight,cysts on my ovaries,pain,i havnt worked for over a year because of all the problems i now know mirena Caused,I have to take thyroxine for the rest of my life now.how can i sue them??Thankyou
PS I got it out a few weeks ago.
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