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目的 了解城市孕妇贫血的发生情况。方法 对 10 1位孕妇进行膳食调查 ,同时测定血红蛋白、血清铁蛋白、叶酸及维生素 B1 2 水平。结果 1膳食调查 ,钙、锌和维生素 (B1 )的摄入明显低于 RDA标准 (推荐的每日膳食中营养素摄入量 ) ,且以孕晚期摄入不足更明显 ;2血清铁蛋白、叶酸、维生素 B1 2 水平 ,孕晚期低于孕中期 (P <0 .0 1) ,孕中期低于健康对照 (P<0 .0 1)。结论 目前的膳食结构下 ,孕妇铁、叶酸、维生素 B1 2 在孕中期和孕晚期都有不同程度的缺乏 ,孕妇贫血的发生率为孕中期 2 0 .93% ,孕晚期 2 2 .40 %。
Objective To understand the occurrence of anemia in urban pregnant women. Methods One hundred and ten pregnant women were enrolled in this study. The levels of hemoglobin, serum ferritin, folic acid and vitamin B1 2 were measured simultaneously. Results 1 Dietary intake of calcium, zinc and vitamins (B1) was significantly lower than the RDA standard (recommended dietary nutrient intake per day) and was more pronounced by the third trimester of pregnancy.2 Serum ferritin, folic acid , Vitamin B1 2 levels in the second trimester were lower than those in the second trimester (P <0.01), and lower in the second trimester than those in the healthy controls (P <0.01). Conclusion The current dietary structure of pregnant women with iron, folic acid, vitamin B1 2 in the second trimester and third trimester have varying degrees of deficiency, the incidence of anemia in pregnant women in the second trimester of 20.93%, 22.5% of the third trimester.