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How effective is an intrauterine device (IUD) in preventing pregnancy?

Kevin W. Windom, MD
OBGYN (Obstetrics & Gynecology)

An IUD is very effective in preventing pregnancy. The chances of becoming pregnant with an IUD in place is 1/200.

An intrauderine device (IUD) is over 99 percent effective at preventing pregnancy. This means that less than 1 in 100 women with an IUD would get pregnant with the device in place in a year.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.