Human sperm competition: ejaculate manipulation by females and a function for the female orgasm

  title={Human sperm competition: ejaculate manipulation by females and a function for the female orgasm},
  author={R. Baker and M. Bellis},
  journal={Animal Behaviour},
  • R. Baker, M. Bellis
  • Published 1993
  • Biology
  • Animal Behaviour
  • Abstract Abstract. Behavioural ecologists view monogamy as a subtle mixture of conflict and cooperation between the sexes. In part, conflict and cooperation is cryptic, taking place within the female's reproductive tract. In this paper the cryptic interaction for humans was analysed using data from both a nationwide survey and counts of sperm inseminated into, and ejected by, females. On average, 35% of sperm were ejected by the female within 30 min of insemination. The occurrence and timing of… CONTINUE READING
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