孕期肺部的改变容易

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不一样的呼吸频率如果走上一小段路就让你气喘吁吁，也不必太紧张。从第二阶段起，激素使呼吸道毛细血管扩张，同时令肺部肌肉松弛，为呼吸增加了困难。另外，不断增长的子宫也开始压迫胸部，令肺部变得更加狭小。那么，该怎么办呢？坐着时，上身挺直，睡觉时选择硬枕，都有助于你呼吸顺畅。

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