天气预报 > 其他 > 34周婴儿头围一般是多少
34周婴儿头围一般是多少
更新时间: 2020-11-05 00:00:00  

34周胎儿头围大约是305mm,双顶径8.61cm,在这范围内属于正常。

头围(headcircumference):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: 婴儿 一般 多少

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