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Article

Sexual Dimorphism in the Prenatal Digit Ratio (2D:4D)

19 Mar 2009

Abstract excerpt

The second to fourth digit ratio (2D:4D) is smaller in human males than in females and hence this trait is sexually dimorphic. The digit ratio is thought to be established during early prenatal development under the influence of prenatal sex hormones. However, the general assumption of early establishment has hardly been studied. In our study, we analyzed the 2D:4D ratio in 327 deceased human fetuses. We measured...

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PMID: 19301112
DOI: 10.1007/s10508-009-9485-7

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Sexual Dimorphism in the Prenatal Digit Ratio (2D:4D)PMID 19301112Read ↗

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Is 2D:4D the most sexually differentiated among finger-length ratios? Answers from a meta-analysisSemantic proximity Read ↗

Digit ratio (2D:4D) and maternal testosterone-to-estradiol ratio measured in early pregnancySemantic proximity Read ↗

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