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12周3心跳正常值是多少
更新时间: 2020-11-04 00:00:00  

12周3心跳正常值平均120-160次/分,需要注意胎心音的节律性是否忽快忽慢等。胎儿心跳又叫做胎心率,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: 心跳 正常值 多少

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