Injectable contraceptives

Posted by e-Medical PPT
Depo-Provera (medroxyprogesterone acetate) is an injectable medicine  that prevents pregnancy for up to 3 months with each injection. Depo-Provera prevents pregnancy by preventing ovulation . If your ovaries do not release an egg, you are unlikely to get pregnant. Depo-Provera is given as 1 shot in the buttock or upper arm. The first shot should be given within 5 days after the beginning of a normal menstrual period, and shots should be repeated every 3 months.Depo-Provera is as effective as tubal ligation  and more effective at preventing pregnancy than several other methods, including birth control pills, condoms and diaphragms.
Most women have some changes in their menstrual periods while using Depo-Provera, including irregular and unpredictable bleeding or spotting, an increase or decrease in menstrual bleeding, or no bleeding at all. After 1 year of use, about 50% of women have no bleeding at all. Other possible side effects include weight gain, headaches, nervousness, abdominal discomfort, dizziness and weakness or fatigue.


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