不同体成分10岁男童性发育与体脂及睾酮水平追踪研究  

Longitudinal Study on Sexual Development,Body Fat and Testosterone Levels of Boys Aged 10 with Different Body Composition

作　　者：刘莉[1] 姚兴家[2] 白英龙[2] 翟玲玲[2] 吴辉[2] 王艳[2] 

机构地区：[1]中国医科大学公共卫生学院营养与食品卫生教研室,辽宁沈阳110001 [2]中国医科大学公共卫生学院儿童少年卫生学教研室

出　　处：《中国学校卫生》2006年第4期289-290,共2页Chinese Journal of School Health

基　　金：国家自然科学基金资助项目(批号:39870683)

摘　　要：目的探讨不同体成分青春早期男孩性发育与体脂及睾酮水平之间的相互关系,为儿童青少年生长发育研究提供依据。方法选取66名10岁男童,按年龄、身高、第二性征进行1∶1∶1匹配,追踪观察3 a,检测其体成分、性发育状况,测定睾酮水平。结果3组男童的体脂肪和瘦体重均随年龄增加而增加;肥胖组男孩阴茎长度小于中等组和消瘦组;肥胖组的阴茎长度和横径与体脂肪呈负相关,与睾酮水平呈正相关。结论青春早期肥胖男孩性器官发育滞后,与体脂肪和睾酮关系密切。Objective To explore the relationship between sexual development, body fat and testosterone levels in early pubertal boys with different body composition, and to provide evidence for the growth and development of children and adolescents. Methods Sixty-six boys aged 10 years were observed 3 years who were matched to three groups according to age, height and the secondary sexual character. Their body composition, sexual development and testos- terone levels were detected. Results Body fat and lean body weight of boys in three groups increased by age; boys＇ penis length in obese group was shorter than that in medium and thin groups; boys＇ penis length and width in obese group were negatively correlated with body fat and positively correlated with testos- terone levels. Conclusion Early puberty obese boys＇ sexual organs develop slowly and closely relate to body fat and testosterone.

关 键 词：身体成份 性 生长和发育 性激素类 儿童 

分 类 号：R179[医药卫生—妇幼卫生保健] R195.2[医药卫生—公共卫生与预防医学]