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胎儿7个月双顶径多少正常
更新时间: 2020-11-05 00:00:00  

七个月(28周)胎儿双顶径标准:双顶径的平均值为7.24±0.65。胎儿双顶径,是指胎儿头部左右两侧之间最宽部位的长度,又称为“头部大横径”。又称BPD,医生常常用它来观察孩子发育的情况,判断能否有头盆不称,顺利分娩。

关键词: 胎儿 多少 正常

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