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12周 胎儿心跳多少正常
更新时间: 2020-11-04 00:00:00  

12周胎儿心跳120-160次/分之间算正常,听胎心需要借助专门的仪器。听胎心需要借助专门的仪器,大约孕12周左右就可以用多普勒听诊器在非常安静的情况下听到胎心,而如果用产科的听诊器直到孕18周才能听得到。

关键词: 胎儿 心跳 多少 正常

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