Big Think
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Can women sync menstrual cycles?

Posted

February 24, 2025

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This is a myth! The common belief about menstrual cycle syncing isn't actually supported by scientific evidence. Medical school research demonstrates that humans lack functional pheromone signals detection capabilities, specifically due to our underdeveloped jacobsons organ. The olfactory nerve structure in humans differs significantly from animals that do experience true pheromonal communication, making synchronized cycles through chemical signals impossible.

@drjengunter explains that, in this case, what seems like synchronization is simply random overlap, with our minds remembering coincidences and forgetting the mismatches.

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Can women sync menstrual cycles? · Big Think · Sentinel