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孕40周心率多少正常
更新时间: 2020-11-05 00:00:00  

胎儿的心率是120~160次,超过180次证明胎儿在宫内有缺氧的表现。

女性正常的心率为每分钟60-80次。在怀孕的早期及中期,心率几乎没有明显的变化,到了怀孕晚期休息的时候,心率每分钟约增加10-15次。妊娠期增大的子宫使膈肌升高,心脏则向左、上、前方移位。另外,为了适应子宫、胎盘及各组织器官增加的血流量,孕妇的血流量也会有所增加,血流的速度也会有所加快,这样就会导致孕期心率比非孕时有所增加。

关键词: 心率 多少 正常

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