Finger Length Ratios in Serbian Transsexuals

Vujović, Svetlana; Popovic, Srdjan; Marojević, Ljiljana Mrvošević; Ivović, Miomira; Tancic-Gajic, Milina; Stojanović, Miloš; Marina, Ljiljana; Barać, Marija; Barać, Branko; Kovačević, Milena; Duišin, D.; Barišić, Jasmina; Djordjević, Miroslav L.; Micić, Dragan

doi:10.1155/2014/763563

Cited by 13 publications

(9 citation statements)

References 19 publications

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“…Given the observed homogeneity for results in transwomen, it seems plausible that these additional data would not change the overall picture in this group. More importantly, the discussions of the relevant reports suggest that the observed effects were in line with expectations (Veale, Clarke, & Lomax, 2010;Vujović et al, 2014). We therefore think it is fair to conclude that inclusion of these effects would not have substantially changed our findings.…”

Section: Natal Females Leō Handsupporting

confidence: 69%

2D:4D Suggests a Role of Prenatal Testosterone in Gender Dysphoria

et al. 2020

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Gender dysphoria (GD) reflects distress caused by incongruence between one's experienced gender identity and one's natal (assigned) gender. Previous studies suggest that high levels of prenatal testosterone (T) in natal females and low levels in natal males might contribute to GD. Here, we investigated if the 2D:4D digit ratio, a biomarker of prenatal T effects, is related to GD. We first report results from a large Iranian sample, comparing 2D:4D in 104 transwomen and 89 transmen against controls of the same natal sex. We found significantly lower (less masculine) 2D:4D in transwomen compared to control men. We then conducted random-effects meta-analyses of relevant studies including our own (k = 6, N = 925 for transwomen and k = 6, N = 757 for transmen). In line with the hypothesized prenatal T effects, transwomen showed significantly feminized 2D:4D (d ≈ 0.24). Conversely, transmen showed masculinized 2D:4D (d ≈ − 0.28); however, large unaccounted heterogeneity across studies emerged, which makes this effect less meaningful. These findings support the idea that high levels of prenatal T in natal females and low levels in natal males play a part in the etiology of GD. As we discuss, this adds to the evidence demonstrating the convergent validity of 2D:4D as a marker of prenatal T effects.

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Section: Natal Females Leō Handsupporting

confidence: 69%

2D:4D Suggests a Role of Prenatal Testosterone in Gender Dysphoria

et al. 2020

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“…While this Male GD lower 2D:4D in both hands; female GD lower in right hand. Vujović et al (2014) 38 transmen Lower 2D:4D than controls.…”

Section: Gender Dysphoria and Key Hypothesesmentioning

confidence: 76%

“…We repeated the search once more using 2D:4D AND 'gender dysphoria'. This gave us 100 results of which one was both new and relevant (Vujović et al, 2014). We also checked the reference lists of articles within our inclusion criteria, but no further germane studies were revealed.…”

Section: Gender Dysphoria and 2d:4d Ratiomentioning

confidence: 99%

Gender Dysphoria and Transgender Identity Is Associated with Physiological and Psychological Masculinization: a Theoretical Integration of Findings, Supported by Systematic Reviews

Dutton¹,

Madison

2020

Sex Res Soc Policy

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Introduction Gender dysphoria (GD) is associated with several psychiatric conditions, but the causal links are not known. We note that some of these conditions are associated with physiological masculinisation. Methods Here, we explore this association through a series of systematic reviews, using Google Scholar, on original studies that test the relationship between GD and at least one correlate of androgens, namely autism spectrum disorder, left-handedness, 2D:4D ratio, being male and male heterosexuality. Results Individuals with GD tend to exhibit scores that reflect heightened levels of androgens and masculinity compared with non-GD individuals. We further show that these same androgen indices are also associated with other identity disorders (or dysphoriae). Conclusions Autism is associated with masculinisation, and we argue that GD may reflect autism spectrum disorder traits that indirectly lead to anxiety and to one questioning one's sense of self. We note that this is consistent with Blanchard's transsexualism typology, which successfully integrates a wide range of empirical findings.

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“…Our study which was conducted in central Indian population included only left hand of the sampled 92 subjects and it showed no statistically significant difference in the 2D:4D ratios of male and female. This can be attributed to the fact that a different population group was studied and the hypothesis by some of the studies that right hand tends to show more significant ratio difference than left hand [18].…”

Section: Research Articlementioning

confidence: 99%

Sexual dimorphism in ratio of second and fourth phalanges and metacarpals: A retrospective study

M¹,

Jain²,

P³

2016

Int J Med Res Rev

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Introduction: There are many features in humans which exhibit sexual dimorphism. A unique feature showing this gender differentiation is the ratio of lengths of index and ring fingers. Sexual dimorphism in finger lengths has been studied across the globe, wherein ethnic and racial variations in digit ratio have been reported. Our studywas conducted in the central Indian population, where no such study was done till now. Aim: To study the prevalence of sexual dimorphism in central Indian population using ratio of phalangeal and metacarpal length of index and ring fingers. Methodology: This is a retrospective radiological study done on left hand of 42 males and 49 females of age 20 years and above. The lengths of phalanges and metacarpals of index and ring fingers were measured on X rays films and their ratios were taken and analyzed statistically. Result: There were no statistically significant variations observed in the ratios of the index and ring fingers between the two sexes in the data taken from central Indian population.

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Finger Length Ratios in Serbian Transsexuals

Cited by 13 publications

References 19 publications

2D:4D Suggests a Role of Prenatal Testosterone in Gender Dysphoria

2D:4D Suggests a Role of Prenatal Testosterone in Gender Dysphoria

Gender Dysphoria and Transgender Identity Is Associated with Physiological and Psychological Masculinization: a Theoretical Integration of Findings, Supported by Systematic Reviews

Sexual dimorphism in ratio of second and fourth phalanges and metacarpals: A retrospective study

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