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对青岛市某国棉厂57名健康青年女工进行了20个月的追踪研究,对妊娠前、妊娠期和哺乳早期的人体测量指标、血红蛋白量、红细胞总数和膳食摄入量进行了测定,并测定了新生儿的身高和体重。妇女孕前平均体重为49.95±4.32kg,分娩前为65.57±5.04kg,妊娠期平均增重为14.92±3.14kg。三头肌,肩胛下和髂嵴上三处皮褶厚度逐月增加。婴儿平均出生体重为3180.61±395g,低体重儿出生率为4.08%。
A survey of 57 healthy young women workers in a cotton factory in Qingdao was carried out for 20 months. The body measurements, hemoglobin, total number of red blood cells and dietary intake were measured before pregnancy, during pregnancy and early lactation. The newborn’s height and weight. The average weight of pregnant women before pregnancy was 49.95 ± 4.32kg, 65.57 ± 5.04kg before delivery, the average weight gain during pregnancy was 14.92 ± 3.14kg. Three triceps, subscapular and iliac crest skinfold on the three month increased month by month. The average birth weight of infants was 3180.61 ± 395g, and the birth rate of low birth weight infants was 4.08%.