Science News发布：Yawning is contagious — even in the womb

## 事件概览

Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its mother.

## 核心信息

Rather than catching a yawn on sight, muscles squeezing the uterus could be the trigger for a fetus to catch a yawn from its mother.

## 为什么值得关注

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## 发布提示

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