HomeUSMLE Step 1 Medical PrepQuestion 2 of 10
USMLE Step 1 Medical PrepQuestion 2 / 10

A 15-month-old child presents for a well-child visit. The parents are concerned because the child is not yet walking independently. Which of the following represents the appropriate developmental milestone for this age?

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Multiple choice — select the best answer
✓ Correct answer: C. Walking independently By 15 months of age, most children should be walking independently without support. This is a key gross motor milestone that typically occurs between 12-15 months. Children who have not achieved independent walking by 18 months warrant further developmental evaluation.

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