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本文观察30例正常妊娠妇女血容量的变化。妊娠24～26周、32～34周、产后1～3天的血红蛋白(Hb)均值分别为116g/L、103g/L 和108g/L;红细胞压积(Hct)的均值分别为0.323、0.302和0.306;网织红细胞(Ret)的均值分别为0.0115、0.0136和0.0138;血清铁蛋白(Ft)的均值分别为28.63μg/L、22.58μg/L 和48.65μg/L。与正常非妊娠妇女组比较(Hb121.8g/L、Hct0.364、Ret0.0108、Ft55.80μg/L),Hb 值在妊娠32～34周时与正常非妊娠妇女之间有显著的差异(P<0.05)。Ft 值在妊娠24～26周、32～34周时与正常非妊娠妇女组水平比较,均有显著的差异(P<0.05).提示 Ft 的利用先于红细胞容量的增加,故在妊娠中期初测定 Hb 和 Ft 比在妊娠中期后甚至妊娠晚期测更好,可及早发现贮铁欠缺者和贫血,并可及早治疗.本文新生儿的 Hb 和 Ft 值分别为108.1g/L 和1213.45μg/L,表明胎儿能自我调节和有主动摄取铁的能力,而无缺铁或贫血发生。
In this paper, 30 cases of normal pregnancy women blood volume changes. The mean hemoglobin (Hb) in the range of 24-26 weeks, 32-34 weeks and 1-3 days postpartum were 116g / L, 103g / L and 108g / L, respectively. The mean hematocrit (Hct) were 0.323, 0.302 and 0.306 respectively; mean of reticulocytes (Ret) were 0.0115, 0.0136 and 0.0138 respectively; mean serum Ft was 28.63μg / L, 22.58μg / L and 48.65μg / L, respectively. Compared with normal non-pregnant women (Hb121.8g / L, Hct0.364, Ret0.0108, Ft55.80μg / L), there was a significant difference in Hb between the 32-34th week of gestation and normal non-pregnant women P <0.05). Ft value in pregnancy 24-26 weeks, 32-34 weeks when compared with normal non-pregnant women group were significantly different (P <0.05), suggesting that the use of Ft prior to the increase in erythrocyte volume, so in the first trimester of pregnancy The determination of Hb and Ft better than in the second trimester even late pregnancy better, early detection of iron deficiency and anemia, and early treatment. The newborn Hb and Ft values were 108.1g / L and 1213.45μg / L , Indicating that the fetus can self-regulation and the ability to take the initiative to take iron, without iron deficiency or anemia.