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24周头围正常多少

更新时间: 2020-11-05 00:00:00     

胎儿头围是围绕胎头一周最大的长度,头围是从前额的鼻根到后脑的枕枕骨隆突绕胎头一周的长度。由于每个胎儿的生长发育情况不一样,胎头的大小受遗传因素和其他一些因素的影响而有个体差异。一般情况下,大部分24周胎儿的头围值在23-25cm之间,平均值约为22cm。测定胎儿头围可以判断胎儿的生长发育情况是否良好。

关键词: 正常 多少

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