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Health

How Do Copper IUDs Work?

Mechanism of Action of Copper IUDs Copper intrauterine devices (IUDs) are a popular form of long-acting reversible contraception. They work by preventing the fertilization of an egg by sperm, thereby preventing pregnancy. Copper IUDs are T-shaped devices that are inserted into the uterus by a healthcare provider. The copper on the IUD surface causes an inflammatory reaction in the uterus,…