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此研究的目的是检测口服避孕药能否保护骨质。在澳大利亚东南Geelong,选择1602例合格妇女(20～92岁),同意参加1291例,除去年龄>69岁220例及服用其他影响骨质的药物361例外可供分析者710例(20～69岁),平均41±13.3岁,其中绝经前511例,绝经后172例,绝经状态不确定27例,子宫切除者除外,测定腰椎2-4、股骨近端、前臂远端与前臂中段骨矿物密度,用双能X线骨密度仪做脊柱骨短期精密度(short-termprecision)是0.6％,股骨颈是1.6％,Ward’s三角2.1％,转子1.6％,总体0.4％,前臂极
The purpose of this study was to examine whether oral contraceptives can protect the bone. In Geelong, South Australia, 1602 eligible women (20-92 years) were enrolled and 1291 patients were excluded from the study. 220 patients aged> 69 years and 220 other patients with osteoarthritis were excluded from the study. 710 (20-69 years) ), With an average of 41 ± 13.3 years, including 511 premenopausal women, 172 postmenopausal women and 27 non-menopausal women with hysterectomies excluded, with lumbar 2-4, proximal femur, distal forearm and forearm median bone mineral density , Short-termprecision 0.6%, femoral neck 1.6%, Ward’s triangle 2.1%, rotor 1.6%, overall 0.4% with dual-energy X-ray absorptiometry,