目的 研究产妇孕期饮食、服用叶酸等其他因素与新生儿体重之间的关系,为孕期合理、科学的营养提供依据。方法 采用自行设计的调查问卷对某市人民医院及下级医院216例产妇进行匿名调查。结果 1)产妇孕期每周吃水果次数不同,其新生儿体重比较有统计学意义(P=0.011);2)食用蔬菜量不同的产妇其新生儿体重差异有统计学意义(P=0.014);3)食用肉类量不同的产妇其新生儿体重差异有统计学意义(P=0.001);4)每周食用豆制品不同次数的产妇其新生儿体重经分析差异有统计学意义(P=0.000);5)产妇在围孕期及孕期服用叶酸与不服用叶酸比较,差异有统计学意义(P=0.027);6)多重线性回归显示新生儿体重可能受每周食用蔬菜量、每周食用肉类的次数和每周食用豆、坚果类及其制品的次数影响。结论 均衡饮食,营养充足,合理服用叶酸有效防止新生儿低出生体重。

Objective To research the relationship between neonatal weight and puerpera folic acid intake and dietary with other factors. Method Self-designed questionnaire was applied to 216 puerpera of people's in hospital by anonymous survey. Results 1)Puerperaes weekly taking fruit frequency was different,the difference in neonatal weight change was statistically significant (P=0.011);2)The difference in neonatal weight change among taking different vegetable quantities was statistically significant (P=0.014);3)The difference in neonatal weight change among puerperaes taking different meat quantities was statistically significant (P=0.001);4)The difference in neonatal weight change among puerperaes taking soy maternal of different times per week was statistically significant by analysis (P=0.000);5)Whether puerperaes taking folic acid about three months before pregnancy or during pregnancy period or not had an influence on infant birth weight(P=0.027);6)The result of the multiple linear regression analysis was that the infant birth weight might be affected by the times of intaking vegetable,meat,beans and nuts. Conclusion A balanced diet and nutrition enough and reasonable taking folic acid effectively prevent low birth weight.