posted on Dec, 12 2007 @ 05:39 PM
Despite often having to deal with an offcentered load, most pregnant women are remarkably stable. They don't seem to fall with any more regularity
that non pregnant females.
Scientists have discovered that about 2 million years ago the spine in women gradually evolved to be more flexible and supportive than in men. This in
turn allwed thier bodies to adapt during pregnancy. The changes were nessesary to evade predators and forage for food while pregnant. Those that did
not have the variation quickly sucumbed to darwinian processes