Twenty-five percent of DMPA users whose weight increased by five percent within the first six months of use, called "early gainers," were at risk for continued, excessive weight gain.
The remaining 75 percent ("regular gainers") gained only a small amount of weight or did not observe any change in their weight.
持续不变75%的DMP使用者（常规体重增加者）仅仅有少量的体重增长或他们的体重没有明显的改变。
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On average, early gainers increased their body weight an average of 19 pounds more than the regular gainers, who saw an average increase of five and a half pounds over three years.