In 2015, all regions had an MMR of less than 50 deaths per 100,000 live births, with a maximum of 28.7 in the central region. This decrease is associated with the implementation of medical treatment for pregnant women with pregnancy-related complications, as well as the provision of medical treatment to women from remote regions. However, in 2015, the MMR varied among aimags from 0 to 78.5 (Tuv Aimag) deaths per 100,000 live births.