[1] Raju TN, Mercer BM, Burchfield DJ, et al. Periviable birth: executive summary of a joint workshop by the Eunice Kennedy Shriver National Institute of Child Health and Human Development, Society for Maternal-Fetal Medicine, American Academy of Pediatrics, and American College of Obstetricians and Gynecologists[J]. Am J Obstet Gynecol, 2014,210(5):406-417.
[2] Blencowe H, Cousens S, Chou D, et al. Born too soon: the global epidemiology of 15 million preterm births[J]. Reprod Health, 2013,10(Suppl 1):2.
[3] Chawanpaiboon S, Vogel JP, Moller Ann-Beth, et al. Global, regional, and national estimates of levels of preterm birth in 2014: a systematic review and modelling analysis[J]. Lancet Glob Health 2019; 7(1): e37-e46
[4] Kong XY, Xu FD, Wu R, et al. Neonatal mortality and morbidity among infants between 24 to 31 complete weeks: a multicenter survey in China from 2013 to 2014[J]. BMC Pediatr, 2016, 16(1): 174.
[5] 中国新生儿重症监护室协作性质量改进研究协作组. 我国25 家Ⅲ级新生儿重症监护病房极低出生体重儿出院结局的横断面调查[J]. 中华围产医学杂志, 2018,21(6):394-400.
[6] Blencowe H, Lee AC, Cousens S, et al. Preterm birth-associated neurodevelopmental impairment estimates at regional and global levels for 2010[J]. Pediatr Res, 2013,74(Suppl 1):17-34.
[7] Pascal A,Govaert P, Oostra A, et al. Neurodevelopmental outcome in very preterm and very-low-birthweight infants born over the past decade: a meta-analytic review[J]. Dev Med Child Neurol, 2018,60(4):342-355.
[8] Moore T, Hennessy EM, Myles J, et al. Neurological and developmental outcome in extremely preterm children born inEngland in 1995 and 2006: the EPICure studies[J]. BMJ, 2012, 345: e7961.
[9] Serenius F, Ewald U, Farooqi A, et al. Neurodevelopmental outcomes among extremely preterm infants 6.5 years after active perinatal care in Sweden[J]. JAMA Pediatr, 2016, 170(10):954-963.
[10] Marlow N,Wolke D, Bracewell MA, et al. Neurologic and developmental disability at six years of age after extremely preterm birth[J]. N Engl J Med, 2005,352(1):9-19
[11] Himpens E, Van den Broeck C, Oostra A, et al. Prevalence, type, distribution, and severity of cerebral palsy in relation to gestational age: a meta-analytic review[J]. Dev Med Child Neurol,2008;50(5):334-340.