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极低出生体重 (ＶＬＢＷ )儿贫血是常见的现象 ,所有ＶＬＢＷ儿生后几周均有血红蛋白 (Ｈｂ)下降 ,而且出生体重越低 ,贫血出现越早 ,程度越严重 ,持续时间也越长。足月儿生后 10～ 12周时Ｈｂ很少 90 ｇ/Ｌ ,但ＶＬＢＷ儿Ｈｂ生理性降低发生更早、更严重 :出生体重 1 0～ 1 5
Anemia in very low birth weight (VLBW) children is a common phenomenon. All VLBWs have decreased hemoglobin (Hb) in the first few weeks of life. The lower the birth weight, the earlier the onset of anemia and the more severe the duration of the disease. Hb is rarely 90 g / L at 10-12 weeks after full-term infants, but physiologic reduction of Hb in VLBW occurs earlier and more severely: birth weight 10-15