A 12-month-old infant is brought for well-child visit. The infant can stand with support, uses a pincer grasp, and says 'mama' and 'dada' specifically. Which of the following findings at this age would be a red flag requiring further evaluation?
- A Cannot walk independently
- B Cannot build a tower of 2 cubes
- C Has only 2 meaningful words
- D Does not respond to own name ✓
Explanation
By 12 months, an infant should consistently respond to their name when called. Absence of name response at 12 months is a red flag for hearing impairment or autism spectrum disorder. Independent walking is expected by 15 months, so inability at 12 months is normal. A 12-month-old typically has 1 to 3 meaningful words, so 2 words is acceptable. Building a 2-cube tower is a 15 to 18-month milestone, so inability at 12 months is normal.
Reference: Nelson Textbook of Pediatrics, 21st ed.
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Written and medically reviewed by the StethoPrep medical team.