Finger Length Ratio (2D:4D) and Dimensions of Sexual Orientation

  title={Finger Length Ratio (2D:4D) and Dimensions of Sexual Orientation},
  author={B. Kraemer and T. Noll and A. Delsignore and G. Milos and U. Schnyder and U. Hepp},
  pages={210 - 214}
  • B. Kraemer, T. Noll, +3 authors U. Hepp
  • Published 2006
  • Biology, Medicine
  • Neuropsychobiology
  • Background: It has been suggested that both adult sexual orientation and the 2nd to 4th finger length ratio (2D:4D) are influenced by prenatal testosterone levels. Bearing this in mind, 2D:4D has been tested as a proxy measure of the putative prenatal testosterone impact on adult human homosexuality, but the results are inconsistent. To date, most studies in this field of research comprise categorical group comparison of heterosexuals and homosexuals with respect to their 2D:4D. Aims: The… CONTINUE READING
    45 Citations

    Figures, Tables, and Topics from this paper

    Sexual orientation and the second to fourth finger length ratio: a meta-analysis in men and women.
    • 173
    • PDF
    Finger Length Ratio (2D:4D) in Adults with Gender Identity Disorder
    • 76
    • PDF
    Prenatal Influences on Sexual Orientation: Digit Ratio (2D:4D) and Number of Older Siblings
    • 18
    • PDF
    The Relationship Between Digit Ratio (2D:4D) and Sexual Orientation in Men from China
    • 41
    Association Between Hand Digit Ratio (2D:4D) and Nonsyndromic Orofacial Clefts
    The molecular mechanisms of sexual orientation and gender identity
    • 13


    The ratio of 2nd to 4th digit length and male homosexuality.
    • Robinson, Manning
    • Psychology, Medicine
    • Evolution and human behavior : official journal of the Human Behavior and Evolution Society
    • 2000
    • 197
    Are 2D:4D finger-length ratios related to sexual orientation? Yes for men, no for women.
    • R. Lippa
    • Psychology, Medicine
    • Journal of personality and social psychology
    • 2003
    • 182
    • PDF
    Digit Ratio (2D:4D) in Homosexual and Heterosexual Men from Austria
    • 44
    Fluctuating asymmetry, second to fourth finger length ratios and human sexual orientation
    • Qazi Rahman
    • Psychology, Medicine
    • Psychoneuroendocrinology
    • 2005
    • 75
    • PDF
    The 2nd:4th digit ratio, sexual dimorphism, population differences, and reproductive success. evidence for sexually antagonistic genes?
    • Manning, Barley, +9 authors Szwed
    • Biology, Medicine
    • Evolution and human behavior : official journal of the Human Behavior and Evolution Society
    • 2000
    • 391
    • PDF
    Neurohormonal functioning and sexual orientation: a theory of homosexuality-heterosexuality.
    • 300
    • PDF