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本文以非平衡竞争结合放射免疫双抗体法对268例正常妊娠的血清铁蛋白进行动态观察,并于临产时测定228例脐带血清铁蛋白。结果提示妊娠早期血清铁蛋白浓度较同年龄非妊娠妇女显著为高(P<0.05)。随妊娠进展,血清铁蛋白不断下降。临产前的平均值比非妊娠妇女低一半以上。<14ng/ml(提示骨髓储存铁已耗竭)的百分数由3个月时的25.0%增至6个月时的53.2%,而临产前高达73.9%。经产妇血清铁蛋白浓度
In this paper, non-equilibrium competition combined with radioimmunoassay of 268 cases of normal pregnancy serum ferritin dynamic observation, and determination of 228 cases of umbilical cord serum ferritin during labor. The results suggest that serum ferritin concentrations in early pregnancy are significantly higher than non-pregnant women of the same age (P <0.05). As pregnancy progresses, serum ferritin continues to decline. The average prenatal care is less than half the average for nonpregnant women. The percentage of <14 ng / ml (suggesting bone marrow depleted iron) increased from 25.0% at 3 months to 53.2% at 6 months, up to 73.9% prepartum. The maternal serum ferritin concentration