What do studies say about Cortisol Labor?

The provided context does not contain specific studies on cortisol and labor. Generally, cortisol, as a stress hormone, rises during childbirth and may play a role in initiating and regulating contractions. However, the evidence is mixed: some observational studies show associations between elevated cortisol and labor onset, but randomized controlled trials proving causality are lacking. Cortisol levels vary widely among individuals and are influenced by stress, time of day, and mode of delivery. Therefore, routine cortisol testing to predict or manage labor is not recommended. A single hormone test (like the MyBody-X Hormone Check) has limited utility for assessing labor progress, as it lacks direct markers for uterine activity or birth progression. Clinical parameters and individual health status should remain the focus.