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12周胎儿心跳一般多少算正常
更新时间: 2020-11-04 00:00:00  

12周胎儿心跳一般每分钟是120-160次,听胎心需要借助多普勒听诊器,在非常安静的情况下才能听到胎心。

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: 胎儿 心跳 一般 多少 正常

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