Digit ratio (2D:4D) and its relationship to foetal and maternal sex steroids: A mini-review

• Published in: Early human development Vol. 183; p. 105799
• Main Authors: Manning, J.T., Fink, B.
• Format: Journal Article
• Language: English
• Published: Ireland Elsevier B.V 01.08.2023
• Subjects: 2D:4D; Advanced Basic Science; Development; Digit ratio; Neonatal and Perinatal Medicine; Pregnancy; Prenatal; Sex-steroids; Prenatal; Pregnancy; 2D:4D; Development; Sex-steroids; Digit ratio

The challenges of terrestrial existence may mean that the early development of tetrapod limb traits is linked to the development of the urogenital system and sex steroids. One such limb trait is the sex-dependent ratio of the lengths of the 2nd and 4th digits (2D:4D). Direct evidence for the associa...