ORIGINAL ARTICLE

¹ School of Human Development, University of Nottingham, UK
² Queen Mary Westfield College, University of London, UK
³ Jessop Wing, Royal Hallamshire Hospital, Sheffield, UK
⁴ Department of Paediatrics, University of Oxford, John Radcliffe Hospital, Oxford, UK

Correspondence to:
Correspondence to:
Professor Marlow
Academic Division of Child Health, Level E East Block, Queens Medical Centre, Nottingham NG7 2UH, UK; neil.marlow{at}nottingham.ac.uk

Aim: To define growth outcomes of a geographically defined population of extremely preterm babies.

Population: The EPICure study identified all surviving children in the United Kingdom and Ireland born at 25 weeks 6 days gestation between March and December 1995. Of 308 survivors, 283 (92%) were evaluated at 30 months of age corrected for prematurity.

Methods: Growth was measured as part of a medical and full neurodevelopmental assessment. Growth parameters were evaluated in relation to other 30 month outcomes and perinatal variables.

Results: The children were smaller in each of the five growth measures compared with published population norms: mean (SD) standard deviation scores were -1.19 (1.32) for weight, -1.40 (1.37) for head circumference, -0.70 (1.19) for height, -1.00 (1.38) for body mass index, and -0.75 (0.95) for mid-upper arm circumference. Despite being of average size at birth, children were significantly lighter with smaller head circumferences at the expected date of delivery, compared with population norms, and only weight showed later catch up, by 0.5 SD. Poorer growth was found in children whose parents reported feeding problems and with longer duration of oxygen dependency, as a marker for neonatal respiratory illness. Although severe motor disability was associated with smaller head circumference, overall there was no relation between Bayley scores and head growth.

Conclusions: Poor growth in early childhood is common in extremely preterm children, particularly when prolonged courses of systemic steroids have been given for chronic lung disease. Improving early growth must be a priority for clinical care.

Keywords: development; prematurity; growth

Abbreviations: EDD, expected date of delivery; BSID-II, Bayley scales of infant development second edition; OFC, occipitofrontal head circumference; MUAC, mid-upper arm circumference; BMI, body mass index

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