Head circumference

Head circumference

Head circumference is a measurement of the circumference of the child's head at its largest area, above the eyebrows and ears and around the back of the head. During routine check-ups, the distance is measured and compared to previous measurements. Normal ranges are based on sex and age.

Head circumference

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Review Date: 1/24/2023

Reviewed By: Neil K. Kaneshiro, MD, MHA, Clinical Professor of Pediatrics, University of Washington School of Medicine, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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