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Figure 3 | BMC Public Health

Figure 3

From: National estimates for maternal mortality: an analysis based on the WHO systematic review of maternal mortality and morbidity

Figure 3

National MMRs and study-specific variables. Boxplots for national MMRs classified according to selected study-specific variables. In vertical order: (1) Source of data: vital registration versus others sources including surveys, Reproductive Age Mortality Studies (RAMOS) and Confidential Enquiries into Maternal Deaths (CEMD); (2) Definition of maternal death: ICD definition, pregnancy-related definition or no definition available; (3) Confirmation of maternal deaths: yes, no or not applicable; (4) Efforts to capture all deaths (yes or no).

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