Did you also read that as "growing"
or are you more worryingly under the impression that foetuses growl?
( Flapjack I spay a little mare for you, Wed 27 May 2009, 8:04, archived)

She knew they were supposed to kick
but were they supposed to scratch?

No, they weren't.
( WormuIus, Wed 27 May 2009, 8:07, archived)