Information on Intrauterine Devices
An intrauterine device, or IUD, can prevent pregnancy when inserted into a woman's uterus by her doctor. Learn more about how intrauterine devices work.
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Transcript: Information on Intrauterine Devices
What Is an Intrauterine Device (IUD)?
Conception occurs when a sperm joins an egg in a woman's body. An IUD, or intrauterine device, prevents pregnancy by interfering with the union of the sperm and the egg, or by preventing a fertilized egg from attaching to the uterine lining.How Does an IUD Work?
The IUD is a small plastic or metal device of varying shape and size. It is inserted into a woman's uterus by a healthcare provider. It is important for a woman who has an IUD to regularly check the position of the device, and regular pelvic examinations by a healthcare provider are necessary to assure that the IUD is positioned appropriately.Risks of an IUD
An IUD may not be appropriate for all women, and it is not recommended for women who have had recurrent pelvic infections, abnormal vaginal bleeding, or uterine cancer. It is important to remember that an IUD will not offer protection from sexually transmitted diseases, including HIV.Copyrighted animations provided by Blausen Medical.