This document provides an overview of the Third Edition (Revised) of the Wellstart International Lactation Management Self-Study Modules, Level I. It was developed by Wellstart International, a nonprofit organization focused on educating healthcare providers about optimal infant and young child feeding. The Third Edition was reviewed by 30 volunteer experts from around the world and updated to ensure the information is current and internationally relevant. It is intended to be available at low or no cost globally to support breastfeeding education.