MadSci Network: Evolution

Subject: Why do human females have overt menstruation?

Date: Thu Aug 30 17:37:39 2001
Posted by Timothy
Grade level: undergrad School: Worcester State College
City: Worcester State/Province: MA Country: USA
Area of science: Evolution
ID: 999207459.Ev

Human females may have evolved to diguise their ovulation for many reasons, 
such as encouraging male investment in offspring, but at the same time they 
have overt menses.  It seems strange for this reason, and also because it would 
seem to make females a target to predatory animals lured by scents like blood.  
Do chimpanzees also have such overt menses, and do they serve any purpose in 
either species?

Re: Why do human females have overt menstruation?

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