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我们对呼市妇幼保健所康乐病房576例新生儿出生体重进行了统计分析,现将结果报告如下:1 材料及方法材料为呼市妇幼保健所康乐病房1986年1月至1990年8月全部的病例记录,体重在出生后2小时内测量,用南昌衡器厂制造的磅秤测量。孕周在37周至42周,(包括足月小样儿、即体重<2500g)全部由产道自然分娩,死胎、死产、畸型不计算在内。计算男女婴儿出生体重均值,标准差,不同年份、不同性别的新生儿体重情况和9市北片城区比较。2结果
We have carried out a statistical analysis of the birth weight of 576 newborns in the Health Ward of the Hohhot MCH. The results are reported as follows: 1 Materials and methods Materials for the Hohhot Health and Welfare Institute of Hohhot, January 1986 to August 1990 all the case records , Body weight measured within 2 hours after birth, measured with a scale manufactured by Nanchang Weighing Apparatus Factory. Gestational weeks in the 37 weeks to 42 weeks, (including full-term baby samples, that is, weight <2500g) all natural birth by birth, stillbirth, stillbirth, abnormalities are not included. Calculation of male and female babies birth weight, standard deviation, different years, different gender weight of newborns and 9 city north piece of comparison. 2 results