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Author Topic: Do babies yawn in the womb?  (Read 2231 times)

Offline Duffield1

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Do babies yawn in the womb?
« on: 23 April, 2009, 08:31:26 AM »
I know that they hiccup, but given that yawning is related to getting an extra burst of oxygen into the bloodstream, does this ever happen in vitro?

Offline Hiheels

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Re: Do babies yawn in the womb?
« Reply #1 on: 23 April, 2009, 10:28:54 AM »
Apparently so http://adrianwarnock.com/2004/06/3d-ultrasound-shows-babies-yawning-in.htm

By the way, I think in vitro means in glass  :)

Offline siasl

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Re: Do babies yawn in the womb?
« Reply #2 on: 23 April, 2009, 10:47:00 AM »
as in "in vitro fertilisation".

I suspect he may have meant "in vivo"  ;D

Let's write it down to lack of sleep