A.初生兒紅細胞數(5~7)×1012/L,Hb150~230g/L B.2~3個月紅細胞數(4~4.5)×1012/L,Hb130~150g/L C.6~12個月紅細胞數(4~4.5)×1012/L,Hb110g/L D.5歲紅細胞數(4~4.5)×1012/L,Hbl10~120g/L E.12歲紅細胞數(4~4.5)×1012/L,Hb120~140g/L