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4个月胎儿头围多少
更新时间: 2020-11-04 00:00:00  

4个月胎儿头围为33厘米至34厘米,5个月后一般是在40厘米左右。

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: 胎儿 多少

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