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How does an intrauterine device (IUD) work?

An intrauterine device (IUD) works by preventing fertilization. An IUD is  a T shaped device that is placed in the uterus to prevent pregancy.  There are two major types of IUDs -- hormonal IUDs and copper IUDs.  Hormonal IUDs release a hormone thought to stay primarily in the uterus and help prevent sperm from reaching the egg.  Copper IUDs are thought to prevent sperm from implanting in the egg.  IUDs are also thought to cause inflammation in the uterus, which helps prevent implanation.

Continue Learning about IUD (Intrauterine Device)

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Who Is a Good Candidate for an Intrauterine Device (IUD)?
What Is an Intrauterine Device (IUD)?
What Is an Intrauterine Device (IUD)?
What Are Some Common Misconceptions About Intrauterine Devices (IUD)?
What Are Some Common Misconceptions About Intrauterine Devices (IUD)?
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What Are the Possible Risks of Using an Intrauterine Device (IUD)?

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.