This report presents the findings of the YES I DO (YID) midline study, conducted in April 2018, in Group Village Head (GHV) Mangamba, Traditional Authority (TA) Liwonde, Machinga District in Malawi. The study aimed to provide insight into the (interrelated) causes and effects of child marriage and teenage pregnancy and the extent to which these causes and effects, and the three problems themselves, were present in TA Liwonde. The study also aimed to provide insight into why and how the YID intervention strategies do or do not contribute towards improved outcomes in sexual and reproductive health and rights (SRHR) for young people, including prevention of child marriage and teenage pregnancy