Encyclopedia of Medicine - Depo-Provera/Norplant
Thursday, November 6th, 2008Definition
Norplant is a long-acting hormone that is inserted under the skin and prevents conception for up to five years. Depo-Provera is also a hormone, but it is administered by intramuscular injection and provides protection against pregnancy for three months. The hormone in Norplant and Depro-Provera is progestin, a synthetic hormone similar to one found naturally in a woman’s body.
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