Although much research has been conducted, knowing the spatial patterns and risk factors associated with maternal mortality in developing countries helps target scarce resources and intervention programmes to high risk areas for the greatest impact. Data were analysed from a longitudinal open cohort of women aged 15 to 49 years, enrolled from to An inverse distance weighted method of interpolation was used to assess spatial patterns of maternal mortality.
Cox proportional hazards regression analysis was used to identify risk factors associated with maternal mortality. The overall maternal mortality rate for the 36 study participants for the five years was 0. The trend declined from Marked geographical differences were observed in maternal mortality patterns. Maternal mortality has declined in rural southern Tanzania since , with geographical differences in patterns of death.
Eclampsia, haemorrhage and abortion-related complications are the three leading causes of maternal death in the region, with risk factors being younger than 20 years, being single or widowed, and having a low socioeconomic status. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Data Availability: All relevant data are in the paper and the Supporting Information files. Competing interests: The authors have declared that no competing interests exist. Estimates developed by the World Health Organization WHO in show that, every day, women die from pregnancy related complications [ 1 ]. There were estimated maternal deaths worldwide in [ 1 ].
Most of these avoidable deaths occurred in developing countries. The MMR in developing countries is per live births versus 9 per live births in developed countries [ 1 ]. Improving maternal health was one of the eight Millennium Development Goals adopted by the international community at the United Nations Millennium Summit in [ 2 ]. Millennium Development Goal 5 MDG5 is to improve maternal health and participating countries made a commitment to reduce the maternal mortality ratio MMR by three quarters from to [ 3 ].
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