The WHO Multicountry Survey on Maternal and Newborn Health is a large cross-sectional study that aims to investigate the incidence and the management of severe maternal and neonatal complications in a worldwide network of health facilities. This study will collect information on all delivering women, all neonates and all women with life-threatening conditions during pregnancy, childbirth and postpartum in 400 facilities from 26 countries, during a two to three month period.