© 2007 – 2022 Gwen Dewar, Ph.D., all rights reserved #author-byline-block_6233aee33a3b4 .author-byline-text{ font-size: 16px; color: rgb(34, 34, 34); } What causes postpartum stress in new mothers? It’s clear that childbirth is stressful. During labor, the hormones associated with psychological stress — epinephrine and cortisol — rise by a whopping 500%...