Urine more precious than gold ? ? ?
Here is some info to contribute towards pheromone production, with a link to the complete article at the conclusion.
Men secrete musky odorants in abundance. The -3-ol precursor of boar taint substance is found in male urine, and substances similar to testosterone, such as androstenone, are secreted in the smegma and from the apocrine glands of the underarms5 and pubic area of males. As is usually the case, bacterial action may be necessary for the release of the odorants. The fact that men's bodies secrete these substances and that women are maximally sensitive to them when they are most fertile indicates that there may be a olfactory-sexual role for these substances in human sexuality.
Indeed, a study performed by J. Richard Udry at the University of North Carolina attempted to delineate the relationship between coitus, orgasm and position in the menstrual cycle. He found that women do indeed engage in sexual intercourse about six times more frequently at about the time of ovulation, when women's sensitivity to the male musk odor is highest. In addition, the women are much more likely to have an orgasm at these times. Further, the women Udry studied women were several times less likely to have sexual intercourse or have an orgasm during and two to three days after menstruation, which is when women's sensitivity to the musky smell of men is lowest. Coupled with women's odor sensitivity, these results could indicate a possible pheromonal trigger for sexual behaviour.
http://www.anapsid.org/pheromones.html
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