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目的:研究孕26~44周初生儿坐高与身长比值关系,探索初生儿胎内体格发育规律。方法:引用《2005年深圳不同胎龄初生儿体格发育均值研究》和《我国不同胎龄新生儿体格发育现状》两篇文章的坐高、身长均值数据,研究比值规律。结果:孕28~44周坐高与身长的比率是67.0%~68.0%,(身长-坐高)/身长的比率是31.9%~33.5%,(身长-坐高)/坐高的比率是46.0%~49.0%;2005年深圳调查数据和1986年中国15城市调查数据呈现基本一致规律。结论:坐高、身长、(身长-坐高)三者之间的比值相当恒定,三者的均值呈现均衡增长的规律,三者的比值不受孕周大小和胎儿体格发育增长速度的影响。
OBJECTIVE: To study the relationship between height and height ratio of newborns at 26-44 weeks’ gestation and to explore the law of physical development of the newborn’s fetus. Methods: The data of height and height of two articles about “the research of the mean value of the physical development of neonates with different gestational age in Shenzhen in 2005” and “The physical development of neonates of different gestational age in China” were cited and the law of ratio was studied. Results: The ratio of height to height between the ages of 28 and 44 weeks was 67.0% to 68.0%, the ratio of height to height to height was 31.9% to 33.5%, and the ratio of height to height to sitting height was 46.0 % ~ 49.0%; 2005 Shenzhen survey data and 1986 China 15 city survey data showed a basic law of consistency. Conclusion: The ratio of height, height, height (height - height) is quite constant. The average of the three shows the law of balanced growth. The ratio of the three is not influenced by the size of gestational age and the growth rate of fetal physical development.