8.5示胎成熟。医生常常用它来观察孩子发育的情况,判断能否有头..." />
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16周bpd多少正常
更新时间: 2020-11-05 00:00:00  

孕16周胎儿双顶径的平均值为3.62士0.58。胎头双顶径,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"。B超测量BPD>8.5示胎成熟。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。孕足月时应达到9.3厘米或以上。

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