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‘Catch-up’ growth of infants with IUGR does not significantly contribute to the whole-cohort weight gain pattern
  1. Aneurin Young1,2,
  2. Edward T Andrews2,
  3. James John Ashton3,4,
  4. Freya Pearson2,
  5. R Mark Beattie1,3,
  6. Mark John Johnson1,2
  1. 1 NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK
  2. 2 Department of Neonatal Medicine, University Hospital Southampton NHS Foundation Trust, Southampton, UK
  3. 3 Department of Paediatric Gastroenterology, University Hospital Southampton NHS Foundation Trust, Southampton, UK
  4. 4 Human Genetics and Genomic Medicine, University of Southampton, Southampton, UK
  1. Correspondence to Dr Aneurin Young, NIHR Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton NHS Foundation Trust, Southampton, UK; a.young{at}soton.ac.uk

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We are grateful for Menon et al’s editorial in response1 to our recent article.2 They set out several pertinent points and issue a call to action for future research.

Menon et al question whether ‘catch-up’ growth of infants with intrauterine growth restriction (IUGR) contributed substantially to the overall change in weight SD Score (∆SDS) between birth and 36 weeks corrected gestational age (CGA). Further analysis of our data sheds some light on this proposition. Infants with IUGR (defined as a birth weight of at least 1.33 SD below the 1990 British Growth Reference mean) grew slightly more than their non-IUGR counterparts (table 1).

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Table 1

Mean change in weight SD Score between birth and 36 weeks CGA in infants without IUGR, …

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