Too much testosterone blights social skills
The team has already found that the babies with higher fetal testosterone levels had a smaller vocabulary and made eye contact less often when they were a year old. And a study by another group has shown that eight-year-old girls who had high fetal levels of the hormone performed better at tasks such as mentally rotating a two-dimensional figure.
Grohol, J. (2004). Too much testosterone blights social skills. Psych Central. Retrieved on September 29, 2016, from http://psychcentral.com/blog/archives/2004/05/28/too-much-testosterone-blights-social-skills/