METHODS : BMD at lumbar spine ( L1 ~ 4 ) proximal femur greater trochanter and Ward 's triangle were measured by duel energy X ray absorptiometry in 433 healthy women aged 20-40 years of Han nationality in Shanghai and relative factors were investigated .

方法应用双能X线吸收仪测定433例年龄20～40岁上海市健康汉族女性腰椎1～4和股骨颈、大转子、 Ward's 三角部位骨密度值，并进行相关因素调查。

CTX had some relationship to Ward 's triangle bone desity only in the healthy untrol group .

CTX仅在正常组与 Ward 三角区BMD相关。

Results ( 1 ) The BMD value of Ward 's triangle and major trochanter peaked early at the age of 20 ~ 24 while that of the one third mid distal forearm peaked late at 40 ~ 44 years old .

结果（1） Ward 三角 区、大转子的骨密度峰值出现最早，为20～24岁，前臂中远1／3处出现最晚，为40～44岁。

Results The ages of peak mass of BMD of forearm and lumbar spine were in 30 ~ 39 age-group for both male and female . The peak values of femoral neck ward 's triangle were in 20 ~ 29 age-group of both sexes .

结果男、女前臂和腰椎峰值骨量均为30~39岁，股骨颈、 Ward 区峰值骨量均为20~29岁。