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三岁小孩的头围是多少正常值
更新时间: 2020-11-04 00:00:00  

三岁小孩的头围是正常值是49.5cm左右。头围(英文名headcircumference)是指从眉间点为起点,经枕后点至起点的围长。头围反应脑,颅骨的发育,在2岁时测量最有意义。

关键词: 小孩 多少 正常值

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