1. Definition of term pregnancy;ACOG Committee Opinion No 579;Obstet Gynecol novembro de,2013
2. Global, regional, and national life expectancy, all-cause mortality, and cause-specific mortality for 249 causes of death, 1980–2015: a systematic analysis for the Global Burden of Disease Study 2015;Wang H;The Lancet outubro de,2016
3. Mortality rate-dependent variations in the survival without major morbidities rate of extremely preterm infants;Kim JK;Sci Rep dezembro de,2019
4. Chattopadhyay N, Mitra K. Neurodevelopmental outcome of high risk newborns discharged from special care baby units in a rural district in India.J Public Health Res [Internet]. 19 de fevereiro de 2015 [citado 3 de fevereiro de 2021];4(1). Disponível em: http://www.jphres.org/index.php/jphres/article/view/318
5. World Health Organization., March of Dimes, Partnership for Maternal, Newborn and Child Health, Save the Children. Born too soon: the global action report on preterm birth, 2012. Available: https://www.who.int/pmnch/media/news/2012/201204_borntoosoon- report.pdf.