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胎儿21周腹围正常值是多少
更新时间: 2020-11-04 00:00:00  

胎儿腹围主要是指胎儿腹部的发育情况,通过检测胎儿腹围的大小,来确定胎儿是否发育正常。在怀孕21周的时候,胎儿腹围约为15.62±1.84cm,如果腹围超过15.62±1.84cm范围,有可能是胎儿过度肥胖,也有可能是内脏方面的疾病,或者胸腹水等;如果小于15.62±1.84cm范围,则有可能是孕妇胎盘功能不好,胎儿吸引不到营养,导致偏小。

关键词: 胎儿 正常值 多少

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