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方法一
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http://bb1320.comFL1511gfdk6b 主角：孕妇自己欣赏
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http://bb1320.comFL1511gfdk6b 条件：不限
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http://bb1320.comFL1511gfdk6b 时间：休息、吃饭、作家务
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http://bb1320.comFL1511gfdk6b 长短：尽可能多听一些时间
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http://bb1320.comFL1511gfdk6b 音量：适中
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http://bb1320.comFL1511gfdk6b 方法二
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http://bb1320.comFL1511gfdk6b 主角：直接让胎儿欣赏
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http://bb1320.comFL1511gfdk6b 条件：声音放在离孕妇腹壁2厘米处。
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http://bb1320.comFL1511gfdk6b 时间：每天定期3-5次
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http://bb1320.comFL1511gfdk6b 长短：5-10分钟
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http://bb1320.comFL1511gfdk6b 音量：适中，不可大也不可小http://bb1320.com |
