Question
The child was born in June 2008, and by December 2009, it was discovered that the fontanel has not yet closed. Inquire about how to handle the situation.
Answer
The fontanel typically closes between 1 and 1.5 years of age, but a delayed closure may indicate conditions such as rickets, hydrocephalus, or hypothyroidism. It is important to identify the cause early and receive appropriate treatment.