Chapter

Head Circumference (Occipitofrontal Circumference, OFC)

Karen W. Gripp, Anne M. Slavotinek, Judith E. Allanson and Judith G. Hall

in Handbook of Physical Measurements

Published on behalf of Oxford University Press

Published in print September 2013 | ISBN: 9780199935710
Published online February 2014 | e-ISBN: 9780199353101 | DOI: http://dx.doi.org/10.1093/med/9780199935710.003.0006
Head Circumference (Occipitofrontal Circumference, OFC)

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The head circumference is measured where the largest measurement is obtained. The measurement can be compared to age and gender specific norms. The OFC may be monitored over time to identify unusual increase, or a lack of appropriate increase during growth. In certain syndromic conditions, head circumference can be characteristically small or large. Thus, comparison to syndrome specific norms allows for accurate interpretation of the absolute measurement.

Chapter.  856 words.  Illustrated.

Subjects: Clinical Genetics

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