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我们于1986～1989年连续观察了足月健康新生儿63例的Hb、FEP、SF及EC值在生后短期内的变化。发现Hb在生后7日内逐渐降低,但无显著差异,到第8、9周Hb降低到最低点(96.8±11.3g/L)。此时生理性贫血已占90.9％,但SF并未降低到最低值,均值为169.3μg/L,最低值为35.0μg/L。EC值出生时高,4周后降到4.7±1.3mg/dl压积RBC、8周后又升回到8.7±2.7mg/dl压积RBC。随EC值的回升Hb值亦开始回升。FEP值在此期间变化不大。本文还分析了生理性贫血在EC值降低期间与体重递增呈负相关关系。
We observed the changes of Hb, FEP, SF and EC values of 63 full-term healthy newborns in short-term after birth from 1986 to 1989. Hb was found to decrease gradually within 7 days of birth, but no significant difference was found. Hb decreased to the lowest point (96.8 ± 11.3 g / L) at the 8th and 9th weeks. At this time physiological anemia has accounted for 90.9%, but SF did not reduce to the lowest value, with an average of 169.3μg / L, the lowest value of 35.0μg / L. The EC value was high at birth, dropped to 4.7 ± 1.3 mg / dL after 4 weeks, and rose again to 8.7 ± 2.7 mg / dL after 8 weeks. As the EC value of the rebound Hb value began to rise. FEP values did not change much during this period. This article also analyzed the physiological anemia in the EC value decreases with the weight gain was negatively correlated.