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Hidden fertility belief is challenged: humans display with behavioral changes
Anthropology Posted by Aelhswith on Tuesday October 10, @03:16PM
from the monkey-fever dept.
[article] "Something in women's minds is tracking the ovulation cycle. At some level, women *know* when they are most fertile. And we have seen some evidence that men may at some level 'know' too -- although with less certainty," says Martie Haselton.

The findings conflict with conventional wisdom among social scientists, who have long maintained that humans are rare among primates in showing no outward signs of entering fertile phases. Our closest living relative, the Chimpanzee, famously displays swellings of the genital area when fertile.

The research builds on a new body of research showing subtle and surprising shifts in women's behavior each month as they approach their most fertile period, including a propensity to flirt with men other than their mates and an inclination to stray from their routine in ways that are suggestive of mate-shopping.


http://www.eurekalert.org/pub_releases/2006-10/uoc--fbb100906.php

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