Using a national registration system of maternal mortality at the county level, the authors estimated the maternal mortality ratios for 2852 counties in China between 1996 and 2015. Findings suggest that in the past two decades, maternal mortality ratios have reduced rapidly and universally across China at the county level. Fast improvement in maternal mortality ratios is possible even in less economically developed places with resource constraints. This finding has important implications for improving maternal mortality ratios in developing countries in the Sustainable Development Goal era.
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