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孕13周腹围标准是多少正常值
更新时间: 2020-11-04 00:00:00  

胎儿腹围约为6.90±l.65cm。如果胎儿腹围过大,有可能是胎儿过度肥胖或是内脏疾病、胸腹水等引起的。胎儿腹围偏小,则有可能是孕妇胎盘功能不好,营养不能通过胎盘传输到胎儿,所以胎儿吸收不到营养,导致偏小。怀孕13周正常的胎心率位于110-160次/分钟范围,如果胎心率在160次/分以上或持续100次/分以下都表示胎儿宫内缺氧。

关键词: 标准 多少 正常值

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