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Re: Penis Size Interacts with Body Shape and Height to Influence Male Attractiveness

      Mautz BS, Wong BB, Peters RA, Jennions MDProc Natl Acad Sci U S A 2013;110:6925–30Expert's summary:Using computer-generated images, biologists found that 105 heterosexual Australian females aged 26.2 ± 6.8 yr rated images of males with smaller penises less attractive than those with larger ones. Each female rated the attractiveness of 53 figures, a subset of the 343 generated by creating seven different flaccid penis lengths, seven heights, and seven shoulder-to-hip ratios. Height ranged from 1.63 m to 1.87 m, and flaccid penis lengths ranged from 5 cm to 13 cm. When the researchers controlled for body shape, a larger penis size had a greater effect on attractiveness for taller males. According to these biologists, a large penis is a likely fitness-related attribute, which can be used by females, including human ones, to pursue repeated intercourse with a particular male.Expert's comments:This small study, published in the prestigious Proceedings of the National Academies of Sciences of the United States of America, provides limited evidence that male attractiveness assessed by females is influenced by flaccid penis size. Sexual attractiveness was rated using computer-generated images rather than real persons. Unfortunately, penile length and girth were not distinguished, and the researchers did not explain where the length was measured from. Obviously, their findings are not applicable to females of different backgrounds or cultures. The ancient Greeks, for example, believed that a small penis was not only more attractive but also more serviceable in reproduction, since its semen would suffer less heat loss. They represented satyrs with huge penises as a sign of their ugliness [
      • McLaren A.
      Impotence. A cultural history.
      ].
      Because human males have covered their genitals with clothing for most of their history, it is not clear what opportunities females would have had to exert their preferences with regard to flaccid penis sizes. However, according to Costa and coworkers [
      • Costa R.M.
      • Miller G.F.
      • Brody S.
      Women who prefer longer penises are more likely to have vaginal orgasms (but not clitoral orgasms): implications for an evolutionary theory of vaginal orgasm.
      ], preference for a large erect penis may be associated with higher rates of vaginal orgasms. Scientific research that has relied on direct questioning of females has yielded mixed results: Depending on the study, females prefer longer penises or thicker penises or think size is unimportant when selecting a partner [
      • Francken A.B.
      • van de Wiel H.B.
      • van Driel M.F.
      • Weijmar Schultz W.C.
      What importance do women attribute to the size of the penis?.
      ].
      Today, the bigger, the better seems to be the main motto, but with regard to attractiveness, there are really much more important factors than penis size, such as being receptive to a partner's needs [
      • Van Driel M.F.
      Manhood. The rise and fall of the penis.
      ]. For the individual female, however, experience with several men is the only way to learn how important flaccid and erect penis sizes actually are for her. In my country, as far as I know, females prefer a clean penis!

      Conflicts of interest

      The author is a speaker for Lilly and GlaxoSmithKline.

      References

        • McLaren A.
        Impotence. A cultural history.
        University of Chicago Press, Chicago, IL2007
        • Costa R.M.
        • Miller G.F.
        • Brody S.
        Women who prefer longer penises are more likely to have vaginal orgasms (but not clitoral orgasms): implications for an evolutionary theory of vaginal orgasm.
        J Sex Med. 2012; 9: 3079-3088
        • Francken A.B.
        • van de Wiel H.B.
        • van Driel M.F.
        • Weijmar Schultz W.C.
        What importance do women attribute to the size of the penis?.
        Eur Urol. 2002; 42: 426-431
        • Van Driel M.F.
        Manhood. The rise and fall of the penis.
        Reaktion Books, London, UK2009