, Preterm birth Fact sheet N°363, 2014.

H. Blencowe, S. Cousens, M. Z. Oestergaard, D. Chou, A. Moller et al.,

, National, regional, and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications, Lancet, 2012.

, Jun, vol.9, issue.9832, pp.2162-72

S. Beck, D. Wojdyla, L. Say, A. P. Betran, M. Merialdi et al., The worldwide incidence of preterm birth: a systematic review of maternal mortality and morbidity. Bull World Health Organ, vol.88, pp.31-39, 2010.

J. Zeitlin, E. S. Draper, L. Kollée, D. Milligan, K. Boerch et al., Differences in rates and short-term outcome of live births before 32 weeks of gestation in Europe in 2003: results from the MOSAIC cohort, Pediatrics, vol.121, issue.4, pp.936-944, 2008.

P. Truffert, Can the impact of early intervention be demonstrated and how should it be done?, Arch Pediatr, vol.11, issue.6, pp.617-625, 2004.

B. Larroque, G. Bréart, M. Kaminski, M. Dehan, M. André et al., Survival of very preterm infants: Epipage, a population based cohort study. Arch Dis Child Fetal Neonatal Ed, vol.89, pp.139-144, 2004.

P. Ancel, F. Goffinet, . Epipage-2-writing, . Group, P. Kuhn et al.,

, Survival and morbidity of preterm children born at 22 through 34 weeks' gestation in France in 2011: results of the EPIPAGE-2 cohort study, JAMA Pediatr, vol.169, issue.3, pp.230-238, 2015.

E. Cohen-solal and L. Cravello, Evolution de la prématurité, La Lettre du Gynécologue, issue.356, pp.12-17, 2010.

P. Lequien, Arch Pediatr, 2004.

H. Torchin, P. Ancel, P. Jarreau, and F. Goffinet,

, Prevalence, recent trends, short-and long-term outcomes

, J Gynecol Obstet Biol Reprod, vol.44, issue.8, pp.723-754, 2015.

M. S. Pignotti and G. Donzelli, Perinatal care at the threshold of viability: an international comparison of practical guidelines for the treatment of extremely preterm births, Pediatrics, vol.121, issue.1, pp.193-198, 2008.

D. Teasdale, Ethical decisions in fetal medicine and neonatal intensive care. Paediatr Nurs, vol.19, pp.34-40, 2007.

C. V. Ananth and A. M. Vintzileos, Medically indicated preterm birth: recognizing the importance of the problem, Clin Perinatol, vol.35, issue.1, pp.53-67, 2008.

S. W. Wen, G. Smith, Q. Yang, and M. Walker, Epidemiology of preterm birth and neonatal outcome, Semin Fetal Neonatal Med, vol.9, issue.6, pp.429-464, 2004.

C. Hebert and C. Menguy, Elodie Lebreton. Epidémiologie, facteurs de risque et causes de la prématurité. Perinat-ARS-IDF, 2010.

M. Dehan, V. Zupan-simunek, and M. Vial,

, J

, Gynecol Obstet Biol Reprod, vol.33, issue.1, pp.94-98, 2004.

B. J. Stoll, N. I. Hansen, E. F. Bell, S. Shankaran, A. R. Laptook et al., Neonatal outcomes of extremely preterm infants from the NICHD Neonatal Research Network, Pediatrics, vol.126, issue.3, pp.443-56, 2010.

P. Ancel and F. Goffinet, EPIPAGE 2 Writing Group. EPIPAGE 2: a preterm birth cohort in France in 2011, BMC Pediatr, vol.14, p.97, 2009.

S. Roy, Grands prématurés : la survie s'améliore

B. Professeur, ;. Hédon, and . Français, Recommandations pour la pratique clinique, pp.807-832

M. Massoud, M. Duyme, M. Fontanges, M. J. Bell, J. L. Ternberg et al., Courbe d'estimation de poids foetal 2014 par le Collège Français d'Echographie Foetale, Ann Surg, 1978.

L. A. Papile, J. Burstein, R. Burstein, and H. Koffler, Incidence and evolution of subependymal and intraventricular hemorrhage: a study of infants with birth weights less than 1,500 gm, J Pediatr, vol.92, issue.4, pp.529-563, 1978.

G. Pinto-cardoso, L. Abily-donval, A. Chadie, A. Guerrot, D. Pinquier et al., Epidemiological study of very preterm infants at Rouen University Hospital: changes in mortality, morbidity, and care over 11 years, Arch Pediatr, vol.20, issue.2, pp.156-63, 2013.

B. Larroque, H. Samain, and G. Epipage, Epipage study: mortality of very premature infants and state of progress at follow up

, J Gynecol Obstet Biol Reprod, 2001.

V. Lacroze, Prématurité : définitions, épidémiologie, étiopathogénie, organisation des soins, Journal de Pédiatrie et de Puériculture, vol.28, issue.1, pp.47-55, 2015.

H. Verder, L. Agertoft, P. Albertsen, N. C. Christensen, T. Curstedt et al.,

, Surfactant treatment of newborn infants with respiratory distress syndrome primarily treated 47

, Ugeskr Laeg, vol.154, issue.31, pp.2136-2145, 1992.

E. Herting, Less invasive surfactant administration (LISA)-ways to deliver surfactant in spontaneously breathing infants, Early Hum Dev, vol.89, issue.11, pp.875-80, 2013.

C. Lau, R. S. Chamberlain, and S. Sun, Less Invasive Surfactant Administration Reduces the Need for Mechanical Ventilation in Preterm Infants: A Meta-Analysis. Global Pediatric Health, vol.4, pp.2333794-1769668, 2017.

T. Markestad, P. I. Kaaresen, A. Rønnestad, H. Reigstad, K. Lossius et al., Early death, morbidity, and need of treatment among extremely premature infants, Pediatrics, 2005.

K. L. Costeloe, E. M. Hennessy, S. Haider, F. Stacey, N. Marlow et al., EXPRESS Group. Incidence of and risk factors for neonatal morbidity after active perinatal care: extremely preterm infants study in Sweden (EXPRESS), BMJ, vol.345, 2010.

C. Lebeaux, P. Ancel, L. Marchand, . Survie, and . Morbidité,

D. En, , 2011.

M. Réseau, , 2015.

D. Harding, C. Kuschel, and N. Evans, Should preterm infants born after 29 weeks' gestation be screened for intraventricular haemorrhage? J Paediatr Child Health, 1998.

D. G. Batton, P. Holtrop, D. Dewitte, C. Pryce, and C. Roberts, Current gestational age-related incidence of major intraventricular hemorrhage, J Pediatr, vol.125, issue.4, pp.623-628, 1994.

M. C. Walsh, E. F. Bell, S. Kandefer, S. Saha, W. A. Carlo et al., Neonatal outcomes of moderately preterm infants compared to extremely preterm infants, Pediatr Res, 2017.

U. Verne, Prise en charge des prématurés : le CHU Amiens-Picardie et le laboratoire GRAMFC de l'UPJV réalisent un enregistrement de l'activité cérébrale d'une précision jamais atteinte en clinique, Paediatr Perinat Epidemiol, vol.14, issue.4, pp.314-337, 1981.

E. J. Weston, T. Pondo, M. M. Lewis, P. Martell-cleary, C. Morin et al., The burden of invasive early-onset neonatal sepsis in the United States, Pediatr Infect Dis J, vol.30, issue.11, pp.937-978, 2005.

B. J. Stoll, N. I. Hansen, P. J. Sanchez, R. G. Faix, B. B. Poindexter et al.,

, Onset Neonatal Sepsis: The Burden of Group B Streptococcal and E. coli Disease Continues, PEDIATRICS, vol.127, issue.5, pp.817-843, 2011.

A. Zani and A. Pierro, Necrotizing enterocolitis: controversies and challenges

. F1000research, , 2015.

V. Rigo, P. Beauduin, and J. Rigo, Rev Med Liege, vol.62, issue.2, pp.86-93, 2007.

S. R. Palmer, S. J. Thomas, R. W. Cooke, D. C. Low, W. J. Fysh et al.,

, Birthweight-specific risk factors for necrotising enterocolitis, J Epidemiol Community Health

I. Arad, R. Braunstein, and B. Bar-oz, Neonatal outcome of inborn and outborn extremely low birth weight infants: relevance of perinatal factors, Isr Med Assoc J, vol.10, issue.6, pp.457-61, 2008.

J. Jansé-marec and V. Mairovitz, Risk of very preterm delivery: can we refrain from in utero transfer and manage these patients in level I and II maternity wards?

, J Gynecol Obstet Biol Reprod, vol.33, issue.1, pp.88-93, 2004.

I. Guellec, S. Marret, O. Baud, G. Cambonie, A. Lapillonne et al., Intrauterine Growth Restriction, Head Size at Birth, and Outcome in Very Preterm Infants, J Pediatr, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01949438

, The CRIB (clinical risk index for babies) score: a tool for assessing initial neonatal risk and comparing performance of neonatal intensive care units. The International Neonatal Network, Lancet, vol.342, issue.8865, pp.193-201, 1993.

B. Larroque, P. Ancel, S. Marret, L. Marchand, M. André et al.,

, Neurodevelopmental disabilities and special care of 5-year-old children born before 33 weeks of gestation (the EPIPAGE study): a longitudinal cohort study. The Lancet, 2008.