4D-scans show fetuses yawn in the womb (0:16) 

Nov. 21 - Unborn babies not only hiccup and swallow in the womb, they also yawn, according to researchers who studied 4D scans of 15 healthy fetuses, and which can be seen in this video footage provided by Dr. Wolfgang Moroder. Rough Cut (no reporter narration). ( Transcript )

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