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How effective are IUDs at preventing pregnancy?
updated over 3 years ago

The IUD is among the most effective methods out there. In fact, both types of IUD—ParaGard and Mirena—are over 99% effective.

In other words:

Fewer than 1 out of 100 women will experience an accidental pregnancy during the first year of using an IUD.

tags: IUD , effectiveness
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