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对贵阳地区170名汉族、苗族、布依族孕妇的孕中、后期进行营养调查。结果表明,该区孕中、后期孕妇膳食中热量的摄入基本达到孕妇供给量标准。热量来源分配基本合理。孕妇膳食中存在的主要问题是蛋白质摄入量不足,优质蛋白占总蛋白之比,除汉族达到30％以上外,苗族、布依族均在25％以下。钙、B_2。摄入量三组均明显低于孕妇供给量标准。汉族在孕后期,视黄醇摄入量仅达到供给量的73％。孕妇贫血患病率在26.92～50.00％。汉族、苗族、布依族三组新生儿出生体重、身长均无显著性差异(p>0.05),发育指标均属中等水平。
In the Guiyang 170 Han, Miao and Buyi pregnant women in the second trimester of nutrition survey. The results showed that the intake of calories in pregnant women and pregnant women in this area basically reached the standard of pregnant women’s supply. The distribution of calories is basically reasonable. The main problem in pregnant women ’s diet is the lack of protein intake and the ratio of high quality protein to total protein. Except for the Han population above 30%, Miao and Buyi are all below 25%. Calcium, B_2. The intake of three groups were significantly lower than the supply of maternal standards. Han in late pregnancy, retinol intake reached only 73% of the supply. The prevalence of anemia in pregnant women was 26.92 ~ 50.00%. Han, Miao and Buyi three groups of newborns birth weight, length no significant difference (p> 0.05), developmental indicators are medium level.