目的：通过对湖南地区3440名0～12岁儿童各年龄段阴茎、睾丸的测定，以获得可供临床参考应用的各年龄段男童阴茎、睾丸大小正常值，并探讨男童外生殖器的生长发育规律。方法应用直接测量法测量0～12岁各年龄段男童静息状态下的阴茎长度，冠状沟处直径、周径，双侧睾丸长度、宽度及体积。将0～12岁男童按8岁前每一岁分为一组，8岁后每两岁为一组分别进行统计。结果共测量男童3440人，分为10组。所测数据经统计学分析，获得了每年龄段阴茎及睾丸大小的正常参考值。发现阴茎生长发育规律：0～2岁较快，两组间差异有统计学意义（P ＜0．01）。2～8岁较缓慢，相邻两组间差异无统计学意义（P ＞0．05），8岁后又增快。睾丸生长发育规律：8岁以前缓慢，比较相邻两组间差异无统计学意义（P ＞0．05），8岁后睾丸进入快速增长期，两组间差异有统计学意义（P ＜0．01）。结论0～12岁儿童阴茎发育呈先慢后快又减缓的规律，睾丸发育8岁以前缓慢，8岁以后快速增长，其结果可供国内阴茎发育咨询及临床参考应用。%Objetive The size of penis and testicle were measured in 3 440 0 to 12-year-old boys to ob-tain clinical reference for Children of all ages and to explore the rule of growth and development of the boyˊs genitalia.Methods Penis length,coronary sulcus diameter and perimeter,length,width and volume of bilat-eral testes were measured in 0 to 12 -year -old boys directly at their resting state.Before the age of 8 every year is divided into one group,for the others every two years into a group. Results 3 440 boys were meas-ured ,divided into 10 groups.The data were statistically analyzed to obtain the normal reference values for each age group of the penis and testes size.Penis Growth Rule is found:the penis 0 to 2 years old of children grow faster,the difference between the two groups was statistically significant(P 0.05).Penis of children over 8 years old grow faster again.The rule of testicular growth and development:8 years ago slowly, the difference between the two adjacent groups was not statistically significant(P >0.05),Testicles of children over 8 years old go into the rapid growth period,the difference between the two groups was statistically signifi-cant(P <0.01 ). Conclusions Status survey of penis and testicular development to 3 440 children aged 0 to 12 years old can contribute to the understanding of sexual development of boys in Hunan Province.The meas-urement results can be applied to clinical reference for the development of domestic childrenˊs penis.
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