When and How to Use Mirena

Some general considerations for when and how to use it include the following:
  • Your healthcare provider will carefully insert Mirena into the uterus within seven days after your period starts (or immediately after a first trimester abortion or miscarriage).
  • Mirena is inserted using a small tube (known as a catheter). Once Mirena is in place, the catheter is removed. Some women have cramps and dizziness while Mirena is being inserted.
  • Although Mirena can be left in place for up to five years, your healthcare provider can remove it any time before that. After five years (if you still want to use it), your healthcare provider can remove the old Mirena and replace it with a new one.
  • You will not feel the device in your body (it will be placed safely in your uterus). However, you will be able to feel the removal threads at your cervix (the top of your vagina). Don't pull on the threads, as this could displace the device.
  • After each menstrual period, it is a good idea to make sure Mirena is still in place. After washing your hands, feel to make sure the threads are still there. Make sure you don't feel any other part of the device. If you can't feel the threads (or if you feel other parts of the device), let your healthcare provider know right away and use a backup method of birth control (such as condoms) until your healthcare provider gives you further instructions.

Dosing Information

There is only one standard Mirena dose, regardless of age, weight, or medical conditions. As always, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Mirena Dosage for more information.)
Last reviewed by: Kristi Monson, PharmD
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