Do human menstrual-cycle pheromones exist?

  title={Do human menstrual-cycle pheromones exist?},
  author={Jeffrey C. Schank},
  journal={Human Nature},
  • J. Schank
  • Published 1 December 2006
  • Biology
  • Human Nature
Research over the past 15 years indicates, contrary to earlier results, that women do not synchronize their menstrual cycles. If women do not synchronize their cycles, this implies there is no mechanism for synchronizing cycles. Since a pheromone mechanism of synchronization is the only plausible mechanism that has been proposed, it follows that that there are no pheromones that modulate the length of menstrual cycles. To test this hypothesis, eight studies were reviewed that reported pheromone… 

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