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纵向动态测定产后8周内早产儿母乳蛋白质、脂肪、乳糖、钾、钠、钙、磷、镁、铜、铁、锌含量。结果:蛋白质、钾、钠、铜、铁、锌含量随周龄增加而显著下降;平均摄入量除钙、磷、铁明显偏低外,其他成分均超过宫内胎儿增积量;产后4周内,钙、磷、镁、铜平均摄入量低于推荐摄入量;4周后蛋白质、钠、锌平均摄入量低于推荐摄入量。
The content of protein, fat, lactose, potassium, sodium, calcium, phosphorus, magnesium, copper, iron and zinc in the breast milk of premature children was measured longitudinally dynamically within 8 weeks after delivery. Results: The content of protein, potassium, sodium, copper, iron and zinc decreased significantly with the increase of age. The average intake of calcium, phosphorus and iron were obviously lower than those of other groups. Week, the average intake of calcium, phosphorus, magnesium, copper lower than the recommended intake; 4 weeks after the average protein, sodium, zinc intake is lower than the recommended intake.