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Last updated on April 20, 2014 at 21:20 EDT

Latest Prenatal hormones and sexual orientation Stories

2009-11-04 13:54:41

The hormones, called androgens, are important in the development of masculine characteristics such as aggression and strength. It is also thought that prenatal androgens affect finger length during development in the womb. High levels of androgens, such as testosterone, increase the length of the fourth finger in comparison to the second finger. Scientists used finger ratios as an indicator of the levels of exposure to the hormone and compared this data with social behavior in primate...