1. World Health Organization, UNICEF, United Nations, Department of Economic and Social Affairs, Population Division, World Bank. Trends in maternal mortality: 1990 to 2015: estimates by WHO, UNICEF, UNFPA, World Bank Group and the United Nations Population Division [Internet]. 2015 [cited 2017 Jun 18]. Available from:
http://www.who.int/reproductivehealth/publications/monitoring/maternal-mortality-2015/en/
.
2. Alkema L, Chou D, Hogan D, Zhang S, Moller A-B, Gemmill A, et al. Global, regional, and national levels and trends in maternal mortality between 1990 and 2015, with scenario-based projections to 2030: a systematic analysis by the UN maternal mortality estimation inter-agency group. Lancet. 2016;387(10017):462–74.
3. Nino FS. Sustainable development goals - United Nations [Internet]. United Nations Sustainable Development. [cited 2016 Nov 22]. Available from:
http://www.un.org/sustainabledevelopment/sustainable-development-goals/
.
4. World Health Organization, editor. WHO recommendations on antenatal care for a positive pregnancy experience. Geneva: World Health Organization; 2016. p. 152.
5. Tolefac PN, Tamambang RF, Yeika E, Mbuagbaw L, Egbe TO. Ten years analysis of stillbirth in a tertiary hospital in sub-Sahara Africa: A case control study. BMC Research Notes. 2017;10(1). doi:
10.1186/s13104-017-2787-2
.