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两岁半小孩 和头围多少算正常值
更新时间: 2020-11-04 00:00:00  

两岁半的孩子正常头围值是46.2-51.4厘米,头围的指标是头围第2年与第3年共增加约3厘米。

头围(英文名headcircumference)是指从眉间点(g)为起点,经枕后点(op)至起点的围长。头围反应脑,颅骨的发育,在2岁时测量最有意义,头围过大见于脑积水、佝偻病;头围过小见于小头畸形。

关键词: 小孩 多少 正常值

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