Exposure to PBB-153 and Digit Ratio

The ratio between the second and fourth digits is a sexually dimorphic measure, established in utero and linked to prenatal sex steroid levels. An association was found between prenatal levels of Polybrominated Biphenyls, a synthetic chemical suspected to disrupt the endocrine system function, and the digit ratio in adult women.

Source: Early Human Development - July 26, 2016 Category: Perinatology & Neonatology Authors: Tamar Wainstock, Brad Pearce, Dana B. Barr, Mary E. Marder, Metrecia Terrell, Michele Marcus Source Type: research