400例孕妇膳食调查和营养分析

目的了解孕妇膳食摄入情况，并分析其营养状况，以正确进行营养指导和干预。方法以广东省某市400例孕妇为调查对象，调查孕妇的膳食摄入情况，并应用“孕期饮食营养分析指导系统”软件进行营养分析。结果各孕期膳食三大产热营养素的热能供给比例基本合理；中早孕阶段钙、铁、锌和维生素B1、维生素B2的摄入量较低，分别为764．51mg、26．94mg、15．71mg、1．12g、1．13g；各孕期优质蛋白占总摄入蛋白的50．O％以上，平均蛋白质RNI％为48．5％。结论孕妇的膳食结构基本合理，但仍要增加钙、铁、锌及B族维生素等摄入，并加强孕妇的营养指导。

Analysis of dietary intake and nutrition in 400 pregnant women

Objective To understand the dietary intake of pregnant women, and try to give a reasonable sug-gestion to promote fetal development. Methods 400 pregnant women in Fushan city were enrolled in this study and their dietary intake were investigated, then the software of Analysis of pregnancy nutrition guidance system was used to make nutrition analysis. Results The ratio of the energy in each pregnancy provided by dietary protein, carbohy-drate and fat were relatively appropriate. But the intake of dietary calcium, ferrum, zinc, vitamin B1 and vitamin B2 in early pregnancy were very low, the intake were respectively 764.51 mg, 26.94 mg, 15.71 mg, 1.12 g, 1.13 g. Each pregnancy the ratio of high-quallty protein in total protein intake were more than 50%, an average protein RNI% was 48.50%. Conclusion The dietary style of pregnant women is relatively reasonable. But they should strengthened nutritional guide to intake more calciuro,ferrum, zinc,vitamin B1 and vitamin B2.