This document provides an overview of Linda Murray's PhD research exploring postnatal depression in central Vietnam. It defines postnatal depression and reviews its causes, epidemiology, and impact on child development. Murray's study will use qualitative and quantitative methods to examine knowledge/attitudes about PND, prevalence in Thua Thien Hue Province, and social/cultural factors influencing it. The research questions aim to understand PND in the local context and identify support mechanisms.