1. World Health Organization, United Nations Children’s Fund. Trends in maternal Mortality: 1990-2015: Estimates from WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division. Geneva: World Health Organization; 2015.
2. World Health Organization. Trends in maternal mortality 2000 to 2017: estimates by WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division. Geneva: World Health Organization; 22019.
3. World Health Organization. Strategies towards ending preventable maternal mortality (EPMM). Geneva: World Health Organization; 2015.
4. Obstetric transition: the pathway towards ending preventable maternal deaths.;Souza;BJOG,2014
5. World Health Organization. Indicator Metadata Registry List: Maternal deaths. 2022. Available: https://www.who.int/data/gho/indicator-metadata-registry/imr-details/4622. Accessed: 20 May 2023.