Prenatal sex hormones, digit ratio, and face shape in adult males

ConclusionsA statistical relationship between 2D:4D and facial shape in adult males was observed. Faces tended to look more masculine as 2D:4D decreased, suggesting a biologically plausible link between prenatal androgen exposure and the development of male facial characteristics.

Source: Orthodontics and Craniofacial Research - August 1, 2014 Category: Dentistry Authors: S. M. Weinberg, T. E. Parsons, Z. D. Raffensperger, M. L. Marazita Tags: Original Article Source Type: research