A Answers (4)
Evelyn Minaya, MD, OBGYN (Obstetrics & Gynecology), answered
An intrauterine device (IUD) is a method of birth control that is placed inside the uterus to prevent pregnancy. It is not clearly understood how the IUD prevents pregnancy, and different types of IUDs may prevent pregnancy in different ways.
All IUDs have a plastic string that extends through the opening of the cervix into the vagina. The string allows a woman to check that the IUD is in place. It also allows a health professional to remove the device at the woman's request or at the end of its effectiveness (usually anywhere from 5 to 10 years, depending on the type).
The IUD is very effective at preventing pregnancy.
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Kevin Windom, MD, OBGYN (Obstetrics & Gynecology), answered
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.
American Diabetes Association answered
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% effective in preventing pregnancy.