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37周股骨长正常多少
更新时间: 2020-11-05 00:00:00  

37周胎儿股骨长为7.10±0.52cm。每个胎儿的股骨长是不一样的,有时候受精卵着床的时间晚、遗传性饮食、B超医生的操作等均可对胎儿的股骨长造成一定的误差。B超测量胎儿的各种径项值,并非百分百正确,会受到一些主观因素影响,如B超显示的清晰度、B超医生操作的熟练程度等。所以,一次B超数据并不能判断宝宝腿短或是发育有问题。排除测量的因素,目前B超给出的胎儿生长发育参考值只是平均值,如果测量数据和平均值的差别很小,这种情况也是正常的,并非宝宝发育存在问题。

关键词: 股骨 正常 多少

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