Global causes of maternal death: a WHO systematic analysis

BackgroundData for the causes of maternal deaths are needed to inform policies to improve maternal health. We developed and analysed global, regional, and subregional estimates of the causes of maternal death during 2003–09, with a novel method, updating the previous WHO systematic review.MethodsWe searched specialised and general bibliographic databases for articles published between between Jan 1, 2003, and Dec 31, 2012, for research data,...