目的 制定不同胎龄新生儿身长体重指数,为胎儿宫内发育评价提供参考数据。方法 采用横断面时间段整群抽样实况调查方法,于2005~2006年在深圳宝安区妇幼保健院完成了8 357例不同胎龄新生儿体重、身长、顶臀长、头围、胸围现场测量,用以制定不同胎龄新生儿身长体重指数。结果 计算深圳不同胎龄(孕28~44周)不同性别新生儿身长体重五项指数[克托莱指数(QI)、考浦指数(KI);劳雷尔指数(RI);利比指数(LI);勃洛克指数(PI)],以均数±标准差表示。结果五项身长体重指数都随胎龄增加指数值不断递增,峰值出现在孕41~43周,显示了胎儿胎龄增大人体密度和充实度不断提高。男性QI、KI和PI值高于女性(P<0.05)。结论 不同胎龄新生儿随胎龄增加人体密度和充实度不断提高,男婴充实度比女婴好。
Abstract
Objective To establish height-weight indices in newborns of different gestational ages and to provide reference data for evaluation of intrauterine fetal growth. Methods The weight, height, crown-rump length, head circumference, and chest circumference of 8 357 newborns were measured in Maternal and Child Health Care Hospital of Bao'an District of shenzhen between 2005 and 2006, with the method of fact-finding investigation with cross-sectional cluster sampling, to establish the height-weight indices in newborns of different gestational ages. Results Five gender-specific height-weight indices (Quetelet Index, QI; Kaup Index, KI; Rohrer Index, RI; Livi Index, LI; Polock Index, PI) in newborns of different gestational ages (28-44 weeks of gestation) in three different groups (boys+girls, boys, and girls) were established in Shenzhen, China, and were expressed as mean gestational weeks±SD. The five indices above all increased with increasing gestational age, and the highest values appeared at 41-43 gestational weeks, suggesting that body density and enrichment degree increased constantly with increasing gestational age. Three indices (QI, KI and PI) were higher in boys than in girls (P<0.05). Conclusions With the increasing gestational age, the body density and enrichment degree of newborns increase, and the enrichment degree in boys is better than that in girls.
关键词
胎龄 /
生长发育 /
身长体重指数 /
新生儿
Key words
Gestational age /
Growth and development /
Height-weight index /
Newborn
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参考文献
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基金
深圳市宝安区科技创新局2013年度科技项目(2013057)。
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