One of the most serious complications associated with the Mirena IUD is perforation of the uterus or migration of the IUD within the body. These complications may cause further problems that include but are not limited to:  injury or perforation of other organs, infection, adhesions, infertility, and/or ectopic pregnancy. Symptoms of uterine perforation and/or migration include:  lower abdominal pain, severe cramping, bleeding, nausea, vomiting, and/or fever.  “A ‘missing’ IUD string should raise suspicion” of IUDs that may have perforated the uterine wall or... Read More