Growth & Development · NEET PG Preparation Paediatrics

At what age does the anterior fontanelle typically close completely in a normally developing infant?

Practice question from Growth & Development (NEET PG Preparation Paediatrics), with the correct answer and a step-by-step solution.

easy · MCQ · Q-07FD09

At what age does the anterior fontanelle typically close completely in a normally developing infant?

  1. A.1 to 3 months
  2. B.6 to 8 months
  3. C.9 to 18 monthsCorrect answer
  4. D.24 to 30 months

Solution

The anterior fontanelle normally closes between 9 and 18 months of age (average around 12 to 14 months). Delayed closure can be seen in conditions like rickets, hypothyroidism, and increased intracranial pressure.

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