Digit ratio (2D:4D) and postoperative pain perception

It has not been established whether sex differences in pain perception are influenced by prenatal sex hormones. Digit ratio as an indicator of prenatal hormone exposure can be used as a simple measure of the influence of prenatal hormones on pain sensitivity or perception in adulthood.

Source: Early Human Development - May 9, 2017 Category: Perinatology & Neonatology Authors: Anna Kasielska-Trojan, Piotr Stabry ła, Bogusław Antoszewski Source Type: research