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What is DMPA causes all the following Except and explain in detail?
Depomedroxyprogesterone AcetateDMPA, a suspension of microcrystals of a synthetic progestin. The regimen of 150 mg every 3 months is highly effective, producing pregnancy rates ofabout 0.3 per 100 women per year.The most impoant medical reason women discontinue use of DMPA and other progestin-only methods is persistent irregular vaginal bleeding. Eventually, total amenorrhea develops in most women who take DMPA; with continued administration, amenorrhea develops in 50% of women by 1 year and in 80% by 3 years.Ref: Berek and Novak&;s Gynecology; 15th edition; Chapter 10