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Re:Pubic Openings (Egg Sizes)

Dann Pigdon  wrote...and  Matt Fraser wrote...(much discussion about
eggs versus pubic sizes etc snipped):

Isn't it perhaps simplistic to use pubic size (limited in some
dinosaurs, it has been mentioned) as an indicator of the ability to lay
eggs of a certain max diameter, when we know (sorry, no references here)
that  mammals when giving birth, and (some/all?) birds when laying eggs,
are subject to significant distensions of pubic openings due to the
actions of certain hormones designed to facilitate this etc? 

cheers, martin
Martin Human: TID Information Development Group
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