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Soft Spots (Fontanelles)

Babies normally are born with two soft spots (fontanelles) on their head: a large soft spot on the top and a small one on the back. The soft spots are areas where the bones of the skull have not yet grown together.

Although they are called soft spots, these areas are made of tough fiber and can be touched gently.

When a soft spot becomes hard, it is considered closed. By age 4 months, the soft spot on the back of the head has closed. By age 2 years, the soft spot on the top of the head has closed.

Bulging of a fontanelle (soft spot) is a sign of increased pressure inside the skull.

By Healthwise Staff
Primary Medical Reviewer John Pope, MD - Pediatrics
Specialist Medical Reviewer Chuck Norlin, MD - Pediatrics
Current as of May 11, 2012

WebMD Medical Reference from Healthwise

Last Updated: May 11, 2012
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.