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本文分析了1051例足月产单胎活婴母亲孕期增重对新生儿出生体重的影响,根据母亲孕前体重指数,将样本分为消瘦型、标准型和超重型(无肥胖型),对整个样本和各体型组分别进行多元回归分析。结果显示:新生儿出生体重随着母亲孕前体重指数而增加,母亲孕期增重显著地增加新生儿出生体重。控制其它因素影响后,孕期每增重1 kg,使整个样本出生体重增加41.51g,使消瘦型、标准型、超重型样本的出生体重分别增加46.94g、41.31g和38.49g。本文就孕期增重与难产、妊高症的关系也进行了探讨,认为无论孕期增重多少,均未使难产、妊高症发生率出现统计学意义的上升。文章的结果支持鼓励孕期增重的建议。
This article analyzes the impact of 1051 full-term live births of singleton live birth infants on the birth weight of newborns. According to the body mass index of pregnant women, the samples are divided into the wasting type, the standard type and the overweight type (non-obese type) Multivariate regression analysis was performed on samples and body types respectively. The results showed that the newborn’s birth weight increased with the mother’s pre-pregnancy body mass index, and the mother’s weight gain during pregnancy significantly increased the newborn’s birth weight. After controlling for other factors, the body weight of the whole sample increased by 41.51g for every weight gain during pregnancy, so that the birth weight of the wasting, standard and overweight samples increased by 46.94g, 41.31g and 38.49g respectively. This article on the relationship between pregnancy weight gain and difficult labor, pregnancy-induced hypertension are also discussed, no matter how much weight during pregnancy, did not make dystocia, pregnancy-induced hypertension incidence increased statistically significant. The article’s findings support recommendations that encourage weight gain during pregnancy.