LYCOS RETRIEVER 
Provera: Injections
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A nurse practitioner or clinician must inject Depo-Provera. The injection is given within the first five days of the menstrual cycle, when you are not pregnant and not ovulating. If the injection is given after the first five days of your menstrual cycle, you should use a backup method of birth control such as a male condom, female condom, or diaphragm, for the first seven days. Every 12 weeks, you need to get another injection.
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Depo Provera should not be taken by patients who have breast cancer, a history of brain bleeding, stroke, liver problems, blood clots or vaginal bleeding. Certain drugs may interact with Depo Provera. It is important that the patient apprise the doctor of the current medication that he is on. Common to possible side effects of Medroxyprogesterone are likely to include fever, drowsiness, dizziness, acne, hot flushes, pain, nausea, nervousness, insomnia, weakness, redness and swelling at the injection site.
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Depo-Provera is a white, sterile suspension for injection. Each 1 ml contains 150 mg medroxyprogesterone acetate Ph. Eur. Excipients are methyl parahydroxybenzoate, macrogol, polysorbate 80, propyl parahydroxybenzoate, sodium chloride, water for injection. Hydrochloric acid or sodium hydroxide may be present as pH adjusters.
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Depo-Provera® is a long-acting hormonal form of birth control. It contains medroxyprogesterone acetate (DMPA), which is similar to the natural progesterone produced by the ovaries during the second half of the menstrual cycle. It is given by injection (shot) in the buttock or upper arm muscle. Injections must be received on a regular basis every 12-13 weeks.
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The Depo-Provera injection prevents pregnancy by preventing the ovarian egg cells from maturing and releasing from the ovary. If an egg does not mature and release from either ovary there is no egg to be fertilized by sperm and pregnancy cannot occur. The contraceptive shot ... changes the condition of the lining of the uterus so that pregnancy is less likely to occur.
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Depo-Provera is reversible. If you no longer need Depo-Provera as a method of contraception, simply do not get your next injection. When you stop using it, you can probably become pregnant within 12 to 18 months following the last injection. The length of time you use Depo-Provera has no effect on how long it takes you to become pregnant.
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