[Graeme]

Scientists find gene tied to miscarriage

$this->bbcode_second_pass_quote('', 'W')ednesday, July 20, 2005
Canadian researchers have discovered the molecular glitch that explains why so many women lose their babies late in their pregnancies -- a condition that is the second-leading cause of infant deaths in the developed world.
The Ottawa team is now setting up a study to run blood tests on roughly 2,000 pregnant women for signs of the underactive enzyme.

[Doly]

How can this gene be around? Natural selection should eliminate it. Unless it's a fairly frequent mutation.