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    GlossaryIntrauterine Device

    small, T-shaped contraceptive inserted into uterus to prevent pregnancy

    An Intrauterine Device (IUD) is a small, T-shaped contraceptive device that is inserted into the uterus to prevent pregnancy. It can be made of plastic and copper or contain hormones, and works by altering the uterine environment to inhibit sperm movement and egg fertilization.

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