1. United Nations. The sustainable development goals report 2020. Geneva; 2020.
2. WHO. Trends in maternal mortality 2000–2017: estimates by Estimates by WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division. 2019; https://www.who.int/reproductivehealth/publications/maternal-mortality-2000-2017/en/.
3. Darroch JE. Adding it up: investing in contraception and maternal and Newborn health, 2017—estimation methodology. New York: Guttmacher Institute; 2018.
4. UNICEF. UNICEF data: monitoring the situation of children and women. 2020; https://data.unicef.org/topic/maternal-health/maternal-mortality/. Accessed 28 Jan 2021.
5. Calvert C, Ronsmans C. The contribution of HIV to pregnancy-related mortality: a systematic review and meta-analysis. AIDS. 2013;27(10):1631–9.