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20周胎心率是多少正常
更新时间: 2020-11-04 00:00:00  

20周胎心率是120-160次/分正常,对于孕15~28周的孕妇,每天测3次,每次1分钟是安全的。

胎心率是一个医学名词,是指胎儿的心率,胎儿心率受交感神经和副交感神经调节,通过信号描记瞬间的胎心变化所形成的监护图形的曲线,可以了解胎动时、宫缩时胎心的反应,以推测宫内胎儿有无缺氧。

关键词: 心率 多少 正常

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