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What Is Mirena®?

Mirena (levonorgestrel-releasing intrauterine system) is an intrauterine contraceptive that delivers small amounts of hormone directly to the uterus. Made of soft, flexible plastic, it is put in place by your healthcare provider during an office visit. Mirena is birth control that lasts as long as you want, for up to 5 years. Mirena works continuously, without a pill, without a daily hassle. Once Mirena is properly placed, all you have to do is check the threads once a month. Your healthcare provider can show you how. If you have trouble finding the threads, be sure to use a backup form of birth control and call your healthcare provider.

What Mirena does:

  • Offers an over 99% effective form of contraception, among the most efficacious forms of birth control
  • Prevents pregnancy for as long as you want, for up to 5 years
  • When removed by your healthcare provider, you can to try to become pregnant immediately*
  • Keeps hormone levels steadier and lower than the pill

When Mirena should be placed:
Mirena should be placed within 7 days of the start of your period. When properly placed, Mirena prevents pregnancy for as long as you want for up to 5 years.

No birth control is right for everyone and there are certain risks associated with Mirena that you should know about. For detailed information about possible side effects, some potentially serious, please see Safety with Mirena or click on Patient Prescribing Information.

How Mirena Works

Learn how Mirena prevents pregnancy, and see how it works.
Learn More

Mirena vs. Other Birth Control Methods

Compare Mirena to different birth control methods.
Learn More

Benefits of Mirena

Over 99% effective and one of the most efficacious forms of
birth control—and that's just for starters.
Learn More

* A woman's chances of getting pregnant within 12 months of having Mirena removed are approximately 80%.

Just The Facts

Just The Facts
Find out why Mirena might be a good choice for women who don’t want to think about taking birth control every day.

Could Mirena Be Right
for You?

Could Mirena Be Right For You?
How does Mirena compare with other forms of birth control?

Patient Support
Get support and information from Mirena.


INDICATIONS & USAGE
Mirena (levonorgestrel-releasing intrauterine system) is a hormone-releasing system placed in your uterus to prevent pregnancy for up to 5 years.

IMPORTANT SAFETY INFORMATION ABOUT MIRENA
Only you and your healthcare provider can decide if Mirena is right for you. Mirena is recommended for women who have had a child.

  • Do not use Mirena if you have a pelvic infection, get infections easily or have certain cancers. Less than 1% of users get a serious infection called pelvic inflammatory disease. Talk to your healthcare provider about problems related to this condition.
  • Mirena may attach to or go through the wall of the uterus and cause other problems. If Mirena comes out, use back-up birth control and call your healthcare provider.
  • In the unlikely event you get pregnant while using Mirena, seek emergency care because continuing pregnancy with an intrauterine device may result in loss of pregnancy or loss of fertility.
  • Ovarian cysts may occur and usually disappear.
  • Bleeding and spotting may increase in the first few months and continue to be irregular. Periods may become shorter, lighter or even stop.

Mirena does not protect against HIV or STDs.

You are encouraged to report negative side effects of prescription drugs to the FDA.
Visit www.fda.gov/medwatch, or call 1-800-FDA-1088.

For important risk and use information, please see the patient prescribing information.

BAYER, the Bayer Cross, and Mirena are registered trademarks of Bayer.


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