Anterior fontanel closure occurs by what age?

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Multiple Choice

Anterior fontanel closure occurs by what age?

Explanation:
Infant skull growth relies on fontanels, soft spots where sutures haven’t fused yet. The anterior fontanel, the larger soft spot at the top/front of the skull, stays open longer to accommodate brain growth and skull expansion. It typically closes around 18 months, though some children may close by about two years. That’s why the expected closure age is 18 months. The other options are earlier than usual (6 weeks or 2 months) or later than the common window (24 months). Remember also that the posterior fontanel closes earlier, usually by 2–3 months.

Infant skull growth relies on fontanels, soft spots where sutures haven’t fused yet. The anterior fontanel, the larger soft spot at the top/front of the skull, stays open longer to accommodate brain growth and skull expansion. It typically closes around 18 months, though some children may close by about two years.

That’s why the expected closure age is 18 months. The other options are earlier than usual (6 weeks or 2 months) or later than the common window (24 months). Remember also that the posterior fontanel closes earlier, usually by 2–3 months.

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