Ultrasound Scans Catch Fetal Yawns

Study suggests yawns result from fatigue.
0:16 | 11/22/12

Coming up in the next {{countdown}} {{countdownlbl}}

Coming up next:

{{nextVideo.title}}

{{nextVideo.description}}

Skip to this video now

Now Playing:

{{currentVideo.title}}

More information on this video
Enhanced full screen
Explore related content
Comments
Related Extras
Related Videos
Video Transcript
Transcript for Ultrasound Scans Catch Fetal Yawns
--

This transcript has been automatically generated and may not be 100% accurate.

{"id":17787717,"title":"Ultrasound Scans Catch Fetal Yawns","duration":"0:16","description":"Study suggests yawns result from fatigue.","section":"Health","mediaType":"Default"}