Definition:
Abbreviated as HC, the head circumference is the measurement (in centimeters) of the developing baby's head. The head circumference may be a factor in calculating the pregnancy's dating or in estimating the size of the baby.
From Krissi Danielsson, former About.com Guide
Updated July 22, 2008
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
Abbreviated as HC, the head circumference is the measurement (in centimeters) of the developing baby's head. The head circumference may be a factor in calculating the pregnancy's dating or in estimating the size of the baby.
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