5 doctors weighed in:
How effective is mirena (levonorgestrel)?
5 doctors weighed in

Dr. David Doucette
Obstetrics & Gynecology
3 doctors agree
In brief: Very effective
Mirena (levonorgestrel) is one of the most effective non-permanent methods of birth control.
It is better than 99% effective.

In brief: Very effective
Mirena (levonorgestrel) is one of the most effective non-permanent methods of birth control.
It is better than 99% effective.
Dr. David Doucette
Dr. David Doucette
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Dr. Brian Nguyen
Obstetrics & Gynecology
In brief: 99.5%
The Mirena (levonorgestrel) IUD is one of the BEST forms of birth control available, it lasts 5 years, is ~99.
5% effective, and thins the uterine lining so that you get lighter periods. 20% of women will stop having periods after 1 year and that's perfectly healthy. Effects in the uterus and so it won't affect or be affected by other medicadtion; very safe method; biggest risk after insertion is expulsion (1-2%).

In brief: 99.5%
The Mirena (levonorgestrel) IUD is one of the BEST forms of birth control available, it lasts 5 years, is ~99.
5% effective, and thins the uterine lining so that you get lighter periods. 20% of women will stop having periods after 1 year and that's perfectly healthy. Effects in the uterus and so it won't affect or be affected by other medicadtion; very safe method; biggest risk after insertion is expulsion (1-2%).
Dr. Brian Nguyen
Dr. Brian Nguyen
Thank
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