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目的:探讨常/微量元素水平与新生儿体重的相关性及妊娠母亲与新生儿脐血中常/微量元素的相关性。方法:利用原子吸收分光光度法测定妊娠母亲和新生儿脐血血清元素。结果:孕妇静脉血的钙和铜水平高于新生儿脐血水平,差异有统计学意义(P<0.01),但铁、镁和锌水平低于新生儿脐血水平,差异有统计学意义(P<0.05或P<0.01)。孕妇静脉血与新生儿脐血中钙、铜和镁水平正相关(P<0.01),其余铁和锌无相关。新生儿体重3 500 g以上新生儿铁和锌水平高于<3 500 g,差异有统计学意义(P<0.05)。结论:常/微量元素可能影响新生儿出生体重,新生儿元素水平可以反映母体内的元素水平及营养状况。因此,应做好孕期保健及营养指导。
OBJECTIVE: To investigate the correlation between the levels of normotoxins and trace elements and the weight of newborn infants and the correlation between normotensive and microelements in pregnant women and neonates. Methods: Determination of serum umbilical serum elements in pregnant women and neonates by atomic absorption spectrophotometry. Results: The level of calcium and copper in pregnant women ’s venous blood was higher than that of neonates (P <0.01), but the level of iron, magnesium and zinc was lower than that of newborns, the difference was statistically significant ( P <0.05 or P <0.01). Venous blood of pregnant women was positively correlated with the level of calcium, copper and magnesium in umbilical blood (P <0.01), while the rest of iron and zinc were not related. The neonatal iron and zinc levels above 3 500 g were higher than <3500 g, with significant differences (P <0.05). CONCLUSION: Normal / trace elements may affect the birth weight of newborns, neonatal elemental levels can reflect the level of elements in the mother and nutritional status. Therefore, should be done during pregnancy health and nutrition guidance.