Other nonstress influences can alter salivary α-amylase activity

Clearly, more research is required to fully evaluate the impact of stress on both fertile and infertile women, and discovery of a biomarker that correlates well with psychosocial stress would be a great advantage to researchers. This article is a first step toward that goal, but it may be premature to assign these findings to stress alone. (Fertil Steril (R) 2011;95:2190-1. (C)2011 by American Society for Reproductive Medicine.)