Serious side effects may include persistent pain, perforation of the uterus and fallopian tubes, and migration of the coils into the pelvis or abdomen. Because of the stainless steel medical staff need to be notified before magnetic resonance imaging (MRI) can be performed. However, the inserts were found to be safe with MRI using a 3-Tesla magnet and is considered MR-conditional. Risks Procedural complications * Inability to place inserts (4%) * Cramping (30%) * Pain (13%) * Nausea/vomiting (11%) * Dizziness/light headed (9%) * Bleeding/spotting (7%) * Vasovagal response (fainting) (1.3%) * Perforation, expulsion, or other unsatisfactory location of the insert Long-term complications * Abdominal pain (3.8%) * Back pain (9%) * Menstrual cramps, severe (2.9%) * Pelvic or lower abdominal pain, severe (2.5%) * Gas/bloating (1.3%) * Headache (2.5%) * Heavier menstrual bleeding (1.9%) * Vaginal discharge or infection (1.5%) * Pregnancy (0.48%) and increased risk of ectopic pregnancy * Allergic reaction to the materials * Rash * Autoimmune disease (0.99%) * Weight changes * Depression * Hair loss * Suicide attempt (0.55%)
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