Edition 28: The First 1000 Days: Our greatest opportunity tim.moore@mcri.edu.au noushin.arefadib@mcri.edu.au vikki.leone@mcri.edu.au sue.west@mcri.edu.au 2018 The best opportunity to build a strong foundation for lifelong health and wellbeing occurs during the first 1000 days – the period from conception, throughout pregnancy, and during a child’s first two years. This Policy Brief outlines the implications of this critical time, identifies factors that place children at risk, and recommends a coordinated approach that addresses children’s needs in order to optimise their health and wellbeing, now and into the future.<br>