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In page Maternal health in Angola:

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The WHO lists the leading causes of maternal death as severe bleeding, infections, high blood pressure during pregnancy, obstructed labor, and unsafe abortions.[1] These causes compose approximately 75 percent of all maternal mortalities worldwide, with the vast majority occurring in developing countries.[2] The other remaining factors that contribute to maternal death include malaria, anemia, and HIV/AIDS during pregnancy.[3] The WHO also states that the reasons why so many women die during childbirth are usually poverty, long distance to care, lack of information, inadequate service, and cultural practices.[3] All of these causes of maternal death, and the corresponding reasons, are very familiar among women in Angola.[citation needed]