A hallmark feature of Rett syndrome is which of the following head growth patterns?

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Multiple Choice

A hallmark feature of Rett syndrome is which of the following head growth patterns?

Explanation:
Rett syndrome features a distinct head growth pattern: head growth slows markedly after a period of normal growth, resulting in microcephaly. At birth the head circumference is usually normal, but growth decelerates during early childhood, and the head becomes smaller relative to age peers. This deceleration helps distinguish Rett from conditions with normal or increasing head size. Macrocephaly progression is not typical, and accelerated head growth would not fit the syndrome’s profile.

Rett syndrome features a distinct head growth pattern: head growth slows markedly after a period of normal growth, resulting in microcephaly. At birth the head circumference is usually normal, but growth decelerates during early childhood, and the head becomes smaller relative to age peers. This deceleration helps distinguish Rett from conditions with normal or increasing head size. Macrocephaly progression is not typical, and accelerated head growth would not fit the syndrome’s profile.

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