Mirena is normally advertised to be a very safe and extremely efficient type of birth control. Practically, it requires replacement after five years only. Meanwhile, it can successfully prevent unwanted pregnancies (but not with at a perfect 100% rate though). With all these, more and more women seem to experience all kinds of complications associated with this intrauterine device. Most of them are associated with exquisite painful sensations, which are also the most obvious symptoms. The unwanted surprise can seriously cause a lot of trauma. Therefore, specialists recommend doing your homework upfront. If you experience such traumas, contact a lawyer too.