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近年来随着围产医学的进展,产科和儿科对胎儿生长发育的研究日益重视。Greunwald及许多学者提出低于2,500克的新生儿中,1/3并非早产,而是小于胎龄儿。认为胎儿宫内生长迟缓是指新生儿的出生体重低于同孕周正常值的第10百分位数或低于平均值的二个标准差。我院在研究胎儿宫内生长方面,曾做出上海地区新生儿出生体重分布的正常数值,孕期子宫底高度及超声测胎头双顶经的正常值,并以此为依据应用于孕期监护。
In recent years, with the progress of perinatal medicine, gynecology and pediatrics increasingly focus on the study of fetal growth and development. Greunwald and many scholars have suggested that less than 2,500 grams of newborns, 1/3 is not premature, but less than gestational age children. Fetal intrauterine growth retardation refers to the birth weight of newborns less than the 10th percentile of the normal value of the gestational age or two standard deviations below the mean. Our hospital in the study of intrauterine growth, have made a normal distribution of birth weight in Shanghai normal values, the height of the uterus during pregnancy and ultrasound measured by the normal double top of the fetal head and used as a basis for pregnancy monitoring.