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Finger-length ratios show evidence of prenatal hormone-transfer between opposite-sex twins

✍ Scribed by Sari M. van Anders; Philip A. Vernon; Christopher J. Wilbur


Book ID
116982349
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
133 KB
Volume
49
Category
Article
ISSN
0018-506X

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## Abstract The second‐to‐fourth digit ratio (2D:4D), putatively indexing prenatal androgen levels retrospectively, has become increasingly popular as an easily applied measure in research into the prenatal sex‐hormonal bases of behavior, health, and disease. However, its validity has not yet been