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本研究评价育龄妇女应用长效醋酸甲孕酮注射剂(depot medroxyprogesterone ac- etate,DMPA)避孕对骨密度的影响。 457例未妊娠、年龄18～39岁妇女参与研究,183例使用DMPA,274例为对照组。将参与者分为5个年龄组进行平均骨密度测定:18～21岁,22～25岁,26～29岁,30～34岁及35～39岁。以双能X线吸收法测定脊柱、股骨颈、大转子和全身的骨密度。使用者
This study evaluated the effects of contraception on bone mineral density in women of childbearing age using depot medroxyprogesterone ac-etate (DMPA). 457 women, aged 18-39, who were not pregnant, participated in the study, 183 with DMPA and 274 with control. Participants were divided into five age groups for average bone mineral density measurement: 18 to 21 years old, 22 to 25 years old, 26 to 29 years old, 30 to 34 years old and 35 to 39 years old. Measurement of bone mineral density in spine, femoral neck, greater trochanter and whole body by dual energy X-ray absorptiometry. user