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目的了解延边地区孕妇膳食结构与不同孕期增重(体重增加)及体内钙、铁、锌含量。方法 1026名孕妇分为膳食指导组(672名)和未接受膳食指导组(354名),检测不同孕期增重及体内微量元素含量。结果两组均在孕中期增重最多并有明显缺钙、缺铁、缺锌。尤其未接受膳食指导组孕中期缺钙、缺铁、缺锌率更高,分别为25.50%、47.62%、21.05%。接受膳食指导的观察组与对照组相比差异显著(P<0.05)。结论延边地区孕妇在整个孕期普遍存在缺钙、缺铁、缺锌现象,但经膳食指导后明显好转。因此在孕早期开始对孕妇进行合理、科学的膳食指导并定期检测体内微量元素以便及时补充。
Objective To understand the dietary patterns of pregnant women in Yanbian region and the weight gain (body weight gain) and calcium, iron and zinc contents in different pregnancy. Methods 1026 pregnant women were divided into dietary guidance group (672) and non-dietary guidance group (354), and the weight gain and the content of microelements in different pregnant women were detected. Results Both groups had the most weight gain during the second trimester with obvious calcium deficiency, iron deficiency and zinc deficiency. In particular, they did not receive dietary guidance group in the second trimester of calcium deficiency, iron deficiency, zinc deficiency rates were higher, respectively, 25.50%, 47.62%, 21.05%. There was significant difference between the observation group and the control group (P <0.05). Conclusion Pregnant women in Yanbian area are generally deficient in calcium deficiency, iron deficiency and zinc deficiency during the whole pregnancy, but their symptoms are obviously improved after the dietary guidance. Therefore, pregnant women in the early pregnancy to begin a reasonable, scientific dietary guidance and regular testing of trace elements in the body for timely replenishment.