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通过对100名孕妇的追踪观察发现妊娠期铁营养状况较差,妊娠中期铁缺乏和缺铁性贫血的发生率为34.3％和35.4％,妊娠晚期为36.0％和49.4％。妊娠晚期的运铁蛋白饱和度与新生儿的红细胞游离原卟啉浓度呈负相关(r=-0.41)。妊娠晚期有铁缺乏和缺铁性贫血的孕妇分娩的新生儿血浆铁蛋白有偏低的趋势,红细胞游离原卟啉有偏高的趋势。
Follow-up observation of 100 pregnant women found that the status of iron nutrition during pregnancy was poor. The incidences of iron deficiency and iron deficiency anemia in the second trimester were 34.3% and 35.4% in the second trimester, and 36.0% and 49.4% in the third trimester. Transferrin saturation in late pregnancy was negatively correlated with neonatal erythrocyte free protoporphyrin concentration (r = -0.41). Pregnancy women with iron deficiency and iron deficiency anemia in late pregnancy have a tendency of low plasma ferritin, and erythrocyte free protoporphyrin tends to be high.