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What is an intrauterine device (IUD)?

The IUD is a small T-shaped object that is placed into the uterus by a provider. IUDs prevent sperm from reaching the egg or from implanting in the uterus. One type contains copper, and others contain progesterone. IUDs can remain in place for one, five, or ten years, depending on the type.

IUDs are generally recommended for women who have had one or more children. When properly inserted and retained, IUDs are 95–98 percent effective in preventing pregnancy.

Dr. Kevin W. Windom, MD
OBGYN (Obstetrician & Gynecologist)

An intrauterine device (IUD) is a small T-shaped device that is placed inside the uterus for birth control. There are two IUDs in the market. There is a copper IUD called ParaGard and there is a hormonal IUD called Mirena.

Dr. Evelyn Minaya, MD
OBGYN (Obstetrician & Gynecologist)

An intrauterine device (IUD) is a device placed inside the uterus to prevent pregnancy. In this video, OBGYN specialist Evelyn Minaya, MD, describes the different types of IUDs, and how they actually work inside the body to prevent pregnancy.

Continue Learning about IUD (Intrauterine Device)

What is ParaGard?
Stacy Wiegman, PharmDStacy Wiegman, PharmD
ParaGard (T 380A Intrauterine Copper Contraceptive) is a small T-shaped device that's inserted i...
More Answers
Does an IUD impact fertility rates?
St. Mark's HospitalSt. Mark's Hospital
IUDs do not impact fertility rates.
More Answers
Who Is a Good Candidate for an Intrauterine Device (IUD)?
Who Is a Good Candidate for an Intrauterine Device (IUD)?
What Are Some Common Misconceptions About Intrauterine Devices (IUD)?
What Are Some Common Misconceptions About Intrauterine Devices (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.