Monitoring head size and growth using the new UK-WHO growth standard

Wright, Charlotte M., Inskip, Hazel M., Godfrey, Keith, Williams, Anthony F. and Ong, Ken K. (2011) Monitoring head size and growth using the new UK-WHO growth standard. Archives of Disease in Childhood, 96 (4), 386-388. (doi:10.1136/adc.2010.200030). (PMID:21285227)

Abstract

In order to assess the extent to which children in the UK will follow the UK-WHO head circumference standard, the authors used head circumference data from the Southampton Women's Survey (n=3159) and the Avon Longitudinal Study of Parents and Children (n=15 208) in children aged 0–36 months, converted into z-scores using both the UK-WHO and UK1990 references. Rapid head growth was defined as crossing upwards through two major centile bands (1.33 SD). The UK-WHO standard identified many more infants with heads above the 98th centile than to the UK1990 reference (UK-WHO: 6–16% of infants at various ages; UK1990: 1–4%). Rapid head growth in the first 6–9 months was also much more common using the UK-WHO standard (UK-WHO: 14.6–15.3%; UK1990: 4.8–5.1%). Practitioners should be aware of these findings to avoid unnecessary referrals.

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Contributors

Author: Hazel M. Inskip

Author: Keith Godfrey

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