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Pediatrics. 2011 Apr;127(4):e883-91. doi: 10.1542/peds.2010-2442. Epub 2011 Mar 7.

Neurologic outcomes at school age in very preterm infants born with severe or mild growth restriction.

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INSERM, UMR 953, Epidemiological Research in Perinatal Health and Women's and Children Health, Bâtiment de recherche, Hôpital Tenon, Paris, France.



To determine whether mild and severe growth restriction at birth among preterm infants is associated with neonatal mortality and cerebral palsy and cognitive performance at 5 years of age and school performance at 8 years of age.


All 2846 live births between 24 and 32 weeks' gestation from 9 regions in France in 1997 were included in a prospective observational study (the EPIPAGE [Étude Epidémiologique sur les Petits Ages Gestationnels] study) and followed until 8 years of age. Infants were classified as "small-for-gestational-age" (SGA) if their birth weight for gestational age was at the <10th centile, "mildly-small-for-gestational-age" (M-SGA) if birth weight was at the ≥ 10th centile and <20th centile, and "appropriate-for-gestational-age" (AGA) if birth weight was at the ≥ 20th centile.


Among the children born between 24 and 28 weeks' gestation, the mortality rate increased from 30% in the AGA group to 42% in the M-SGA group and to 62% in the SGA group (P < .01). Birth weight was not significantly associated with any cognitive, behavioral, or motor outcomes at the age of 5 or any school performance outcomes at 8 years. For the children born between 29 and 32 weeks' gestation, SGA children had a higher risk for mortality (adjusted odds ratio [aOR]: 2.79 [95% confidence interval (CI): 1.50-5.20]), minor cognitive difficulties (aOR: 1.73 [95% CI: 1.12-2.69]), inattention-hyperactivity symptoms (aOR: 1.78 [95% CI: 1.10-2.89]), and school difficulties (aOR: 1.74 [1.07-2.82]) compared with AGA children. Being born M-SGA was associated with an increased risk for minor cognitive difficulties (aOR: 1.87 [95% CI: 1.24-2.82]) and behavioral difficulties (aOR: 1.66 [95% CI: 1.04-2.62]).


In preterm children, growth restriction was associated with mortality, cognitive and behavioral outcomes, as well as school difficulties.

[Indexed for MEDLINE]

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