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目的 探讨农村孕妇VitA营养水平以及补充VitA对孕妇贫血的影响。方法 对 6 2例妊娠 2 4～ 2 8周的孕妇和 40例健康非孕妇女进行膳食调查后随机将孕妇分为 2组 ,其中一组补充VitA胶丸 3个月 (每月 2次 ) ,采用单盲法。测定孕妇VitA和铁营养状况。结果 ①孕妇与非孕妇女各营养素摄入量均不同程度低于供给量(非孕妇女除脂肪和VitB1 外 )。②补VitA孕妇其血清VitA水平明显高于非孕妇女和未补VitA孕妇组 (P <0 0 1)。③补VitA后孕妇血红蛋白水平升高 ,血清铁、铁蛋白和运铁蛋白有显著升高。结论 中晚期孕妇适当补充VitA可改善自身VitA营养状况并有助于改善血红蛋白水平及铁营养状况。
Objective To investigate the effect of VitA nutrition in rural pregnant women and the vitamin A supplementation on anemia in pregnant women. Methods A total of 62 pregnant women, 24 to 28 weeks pregnant and 40 healthy non-pregnant women were randomly divided into two groups. One group was supplemented with VitA capsules for 3 months (twice a month) Using single-blind method. Determination of pregnant women VitA and iron nutritional status. Results ① The nutrient intakes of pregnant women and non-pregnant women were all less than the supply (non-pregnant women except fat and VitB1). ② VitA VitA serum levels of vitamin A pregnant women were significantly higher than non-pregnant women and VitA pregnant women (P <0.01). ③ VitA after the increase in pregnant women hemoglobin levels, serum iron, ferritin and transferrin were significantly increased. Conclusions Adequate supplementation of VitA in middle and late pregnant women can improve their VitA nutritional status and help to improve hemoglobin level and iron nutrition status.