Climate change will affect gender ratio among newborns, scientists say
- The reasons why are not understood, but some scientists believe that boys are biologically weaker WEand more susceptible to diseases and premature death.
- The general theory as to why the sex ratio is not equal at birth is that if you want the sex ratio to be 50:50 by reproductive age, you want a few more males than females at birth because more males than females will probably die in early childhood, Catalano said.
Global warming will have a variety of effects on our planet, yet it may also directly impact our human biology, research suggests.
“Overall, more females die during pregnancy than do males. So that’s why there’s an excess number of males at birth,” said Orzack, who has published research on this issue.
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