Human female orgasm and mate fluctuating asymmetry

@article{Thornhill1995HumanFO,
  title={Human female orgasm and mate fluctuating asymmetry},
  author={Randy Thornhill and Steven W. Gangestad and Randall Comer},
  journal={Animal Behaviour},
  year={1995},
  volume={50},
  pages={1601-1615}
}
Human, Homo sapiens, female orgasm is not necessary for conception; hence it seems reasonable to hypothesize that orgasm is an adaptation for manipulating the outcome of sperm competition resulting from facultative polyandry. If heritable differences in male viability existed in the evolutionary past, selection could have favoured female adaptations (e.g. orgasm) that biased sperm competition in favour of males possessing heritable fitness indicators. Accumulating evidence suggests that low… CONTINUE READING

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