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3个月婴儿听力标准是多少

更新时间: 2020-11-05 00:00:00     

3个月以上的婴儿,在其身后摇响小铃或吹哨时,观察婴儿是否眨眼或转头转身。3个月以上的婴儿,睡着了能被叫醒,听到妈妈的说话声能转头寻找,对较大的声响有吃惊的表情。若是这样,说明听力是正常的。

关键词: 婴儿 听力 标准 多少

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