This document discusses a training on behavior change communication (BCC) to improve access to and utilization of maternal, newborn, and child health (MNH) and tuberculosis (TB) services. It provides an overview of BCC, including that it is a communication process aimed at fostering sustainable behavior change. It also outlines the different stages of behavior change and appropriate BCC activities for each stage, such as raising awareness for pre-contemplation and negotiating plans of action for preparation. Additionally, it discusses frameworks for analyzing the determinants of behaviors, including opportunity, ability, and motivation, and core BCC strategies like education, laws, and marketing.