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本文对 2 0 9例产科出生的单胎、男性活产婴的身长、体重、头围、上臂围、阴茎长度及足长等 6项指标进行测量 ,结果发现 :前 4项指标除头围外均比 89 90年所报道的数值有所增长 ,并且 6项指标与孕周有着显著的相关性。同时测出足月 (AGA)阴茎长度为 2 6 2cm 3 .98cm(即 x± 2SD)推荐作为评价新生儿体格发育的正常参考值
In this paper, we measured the body length, body weight, head circumference, upper arm circumference, penis length and foot length of single-fetus and male live births in 209 maternal obstetric subjects. The results showed that the first four indexes except head circumference Both higher than the values reported in 1989 and 90%, and the six indicators were significantly correlated with gestational age. Simultaneous measurement of full-term (AGA) penile length of 2 6 2 cm 3 .98 cm (ie x ± 2 SD) is recommended as a normal reference for assessing physical development in newborns