目的 了解不同糖代谢状态孕妇后代在婴儿早期的生长模式.方法 选择2007年1月1日至2009年12月31日在北京大学第一医院分娩,且在生后6~12周完成随访的7600例单胎新生儿作为研究对象,其中母亲妊娠期糖代谢正常者6955例,糖代谢异常者645例.以母亲糖代谢情况和新生儿是否为巨大胎儿为分层因素将婴儿分为4组:糖代谢正常非巨大儿组6432例,糖代谢正常巨大儿组523例,糖代谢异常非巨大儿组588例,糖代谢异常巨大儿组57例.比较4组婴儿出生体重、复查时体重及日增长体重情况.采用t检验、单因素方差分析、LSD法进行统计学分析.为校正随访时天数对婴儿体重增长的影响,以随访天数为协变量,比较4组出生后体重增长情况的差别.结果 糖代谢正常组与糖代谢异常组比较,2组婴儿出生体重差异无统计学意义[(3367.0±420.3)g与(3368.2±475.1)g,t=-0.061,P>0.05];糖代谢异常组复查时体重及日增长体重均低于糖代谢正常组,差异均有统计学意义[复查时体重:(5393.9±647.2)g与(5459.3±625.2)g;日增长体重:(42.9±9.5)g与(44.0±9.5)g,t=2.464和2.874,P均<0.05].糖代谢正常非巨大儿、糖代谢异常非巨大儿、糖代谢正常巨大儿和糖代谢异常巨大儿组婴儿出生体重分别为(3300.6±359.2)g、(3282.1±397.0)g、(4183.8±203.8)g和(4256.8±248.8)g;复查时体重分别为(5400.5±590.7)g、(5325.8±618.8)g、(6182.7±584.7)g和(6096.5±502.4)g;日增长体重分别为(44.1±9.4)g、(43.2±9.4)g、(42.4±10.9)g和(39.6±10.0)g.4组间各指标比较,差异均有统计学意义(F值分别为1140.471、313.376、10.830,P均<0.001).4组间体重日增长协方差分析比较发现,糖代谢正常非巨大儿组分别高于糖代谢异常非巨大儿、糖代谢正常巨大儿组和糖代谢异常巨大儿组,糖代谢正常巨大儿组高于糖代谢异常巨大儿组,糖代谢异常非巨大儿组高于糖代谢异常巨大儿组(P均<0.05或0.01).结论 在脱离母体高血糖影响后,妊娠期高血糖孕妇子代在婴儿早期的生长速度可能呈现暂时减慢.
Objective To understand the growth pattern of infants of mothers with maternal glucose metabolism during pregnancy.Methods Totally,7600 infants,born from singleton pregnant women from January 1st,2007 to December 31st,2009 in Peking University First Hospital and were followed up at 6-12 weeks after birth,were included.Altogether,645 mothers were complicated with hyperglycemia and 6955 with normal glucose metabolism during pregnancy.All infants were divided into four groups based on maternal glucose metabolism and their birth weight:Group N1 (n =6432) was consisted of non-macrosomia infants with normal maternal glucose metabolism; Group N2 (n =523) included macrosomia infants with normal maternal glucose metabolism; Group A1 (n =588) were non-macrosomia infants with abnormal maternal glucose metabolism; Group A2 (n =57) were macrosomia infants with abnormal maternal glucose metabolism.Birth weight,body weight at the day of follow-up and average daily weight gain were compared among thes