Mirena is over 99% effective in preventing pregnancy.
Mirena is a hormonal intrauterine device (IUD) inserted into the uterus for long-term birth control and/or reduction of heavy menstrual bleeding.
The device features a T-shaped plastic frame that releases a type of progestin which thickens the cervical mucus to prevent sperm from reaching or fertilizing an egg and thins the lining of the uterus. It is effective for up to five years after insertion.
Your daughter may experience side effects, such as:
During the procedure, your daughter may experience cramping, dizziness, fainting, nausea, low blood pressure, or a slower-than-normal heartbeat. These should return to normal.
Your daughter should not use the Mirena IUD if she:
Your daughter’s doctor can insert Mirena anytime during her menstrual cycle, as long as she’s been consistently using another birth control method or hasn’t been sexually active since her last period.
The procedure is often performed in the office setting in teenagers who have been sexually active or who otherwise wish to have it placed while awake. However, many girls have the device placed in the operating room setting while asleep to avoid the discomfort with the IUD placement.
The doctor may order a pregnancy test and STI screening before inserting Mirena. Your daughter can take a nonsteroidal anti-inflammatory drug like Advil or Motrin one to two hours before the procedure to reduce cramping.
During the procedure, the doctor will:
About 1-3 months after Mirena is inserted, your daughter’s doctor may re-examine her to make sure Mirena hasn't moved and check for signs and symptoms of infection and any bleeding abnormalities.
To remove Mirena, your daughter’s doctor will use forceps to grasp the device’s strings and pull gently downward. Light bleeding and cramping is common during removal.