AO3: Menstrual synchrony

Cards (2)

  • Strength: Evolutionary basis
    What? May be explained by natural selection
    Who? Ancestors had women menstruating together/pregnant together - increases chance of survival
    Why? Adaptive strategy
  • Limitation: Methodological limitations
    What? Methodological shortcomings
    Who? Confounding variables on cycle - stress, diet, exercise; failed to replicate findings
    Why? Flawed