Posts tagged ‘menstruation’

March 2, 2011

Synchronisation and the McClintock effect

by James Thorniley

I’m not an expert on menstruation. I’ve never done it, or had any reason to take a significant interest in it. But I had heard that women living together often “synchronise”, i.e. start to have their periods at the same time. Synchronisation is something that interests me, so I decided to look it up.


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