Analysis on maternal mortality in Wenzhou, Zhejiang, 2011-2015

Objective To understand the maternal mortality and related factors in Wenzhou, Zhejiang province, during 2011-2015, and provide evidence for the improvement of intervention to reduce maternal mortality. Methods Retrospective analysis, according to the National Maternal Death Surveillance Protocol, was conducted by using the data of maternal deaths in Wenzhou from 2011 to 2015. Results During 2011-2015, the overall maternal mortality rate declined in Wenzhou. In recent five years, the overall maternal mortality rate was 9.16/100 000, the average maternal mortality rate was 6.47/100 000 in local population and 14.93/100 000 in floating population, the difference was significant. Low educational level, 5 times of prenatal examination were high risk factors for maternal mortality. The first 4 causes of maternal deaths were pregnancy with internal diseases (40.74%), obstetric bleeding (16.67%), amniotic fluid embolism (11.11%), anesthesia accident (7.41%). The differences in maternal death, including avoidable death and the inevitable death,between obstetric causes and non-obstetric causes was significant during 2011-2015. Conclusion In order to further reduce the maternal mortality rate, it is essential to standardize the management of the maternal health care, strengthen clinical multidisciplinary and multisectoral cooperation and improve comprehensive treatment capability.