Digit ratio (2D:4D) as an indicator of body size, testosterone concentration and number of children in human males.

@article{Klimek2014DigitR,
  title={Digit ratio (2D:4D) as an indicator of body size, testosterone concentration and number of children in human males.},
  author={Magdalena Klimek and Andrzej Galbarczyk and Ilona Nenko and Louis Calistro Alvarado and Grazyna Jasieńska},
  journal={Annals of human biology},
  year={2014},
  volume={41 6},
  pages={
          518-23
        }
}
OBJECTIVES The 2nd to 4th digit ratio (2D:4D) is thought to reflect exposure to androgens during foetal development. This study examined the relationship between low (more masculine) and high (more feminine) 2D:4D and body size at different stages of the life course, adult testosterone levels and number of children among males. METHODS Five hundred and fifty-eight men from rural Poland at the Mogielica Human Ecology Study Site participated in this study. Life history data and anthropometric… CONTINUE READING

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Low digit ratio (2D:4D) is associated with early natural menopause.

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Second to fourth digit ratio (2D:4D) and testosterone in men.

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Digit ratio (2D:4D), dominance, reproductive success, asymmetry, and sociosexuality in the BBC Internet Study.

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