Pregnancy, Birth and Baby advises urgent medical advice if a fontanelle looks sunken or bulging.
Glossary
Fontanelle (soft spot)
A soft space between the bones of a baby’s skull.
In a sentence
What does “Fontanelle (soft spot)” mean?
A soft space between the bones of a baby’s skull.
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Sources
General information, not medical advice. For concerns about your child, talk with your doctor or child-health nurse.