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Orgasmic frequency and plasma testosterone levels in normal human males


Twenty males participated in a 2-month study examining the relationship between 8 a.m. plasma testosterone levels and orgasmic frequency. Within subjects, higher levels of testosterone are associated with periods of sexual activity. Over subjects, however, the direction of the relationship is reversed. Mean testoster-one levels were higher for sexually less active individuals.

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This research was supported by a grant from the Commonwealth Fund.

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Kraemer, H.C., Becker, H.B., Brodie, H.K.H. et al. Orgasmic frequency and plasma testosterone levels in normal human males. Arch Sex Behav 5, 125–132 (1976).

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Key words

  • testosterone
  • orgasmic frequency
  • sexual activity