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FR(finger ratio)enology: Sex partners

Another advance in FR(finger ratio)enology research!

2nd to 4th digit ratio (2D:4D) and number of sex partners: evidence for effects of prenatal testosterone in men.
Hönekopp J, Voracek M, Manning JT.
Psychoneuroendocrinology. 2006 Jan;31(1):30-7. Epub 2005 Jul 6.

The number of sexual partners per individual (NSP) is an important component of sexual behaviour. Here, we report two studies concerning the relationship between a probable negative correlate of prenatal testosterone, the ratio of the length of 2nd and 4th digits (2D:4D), and NSP in men.

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