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21周胎动多少次正常
更新时间: 2020-11-05 00:00:00  

21周胎动1小时不少于3~5次是正常的,12小时明显胎动次数为30~40次以上。

怀孕21周的时候,胎儿胎动频繁的时间一般在早上九至十点,下午三点至四点。胎儿的身体还较小,所以在胎动上还不能明显的进行计数。

关键词: 胎动 多少 正常

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