Measuring the heads of infants of little benefit

ROUTINE measurement of a child’s head circumference does not have the sensitivity or specificity to detect neurocognitive disorders and may result in unnecessary investigations, researchers say.

A UK study of almost 11,000 children found that while there was a sevenfold higher chance of developmental problems in children with consistently smaller heads, most (85%) developed normally. 

Almost all children (93%) who had developmental problems had head circumference in the normal range.

Head circumference was measured at multiple points from two to 24 months, IQ was tested at age seven,&nbsp