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孕5周 6天胎心多少正常值
更新时间: 2020-11-04 00:00:00  

在胎心监护时,胎心率基线在110-160次/分正常的。另外,正常的胎心监护也会有基线的变异。基线摆动正常的范围是10-25bpm,频率是1分钟之内≥6次。基线的摆动证明胎儿有一定的储备的能力,是胎儿健康的表现。如果有胎动、宫缩、触诊以及声响等刺激,胎心率会发生暂时性的加快和减慢,随后又恢复到基线的水平,这就是胎心率一过性的变化。正常的胎心率加速,是指宫缩时胎心率暂时的增加15bpm,持续时间大约15秒钟,这是胎儿良好(健康)的表现。

关键词: 多少 正常值

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