If an infant weighs 7 pounds at birth, what is the expected weight at 12 months?

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Study for the Wong's Essentials of Pediatric Nursing Test. Learn with detailed flashcards and multiple choice questions. Each question offers explanations and hints to aid understanding. Prepare effectively for your exam now!

Multiple Choice

If an infant weighs 7 pounds at birth, what is the expected weight at 12 months?

Explanation:
Infants grow rapidly in the first year, with birth weight typically doubling by about 4–6 months and tripling by 12 months. Starting at 7 pounds, tripling gives 21 pounds at one year. So 21 pounds is the expected weight. Doubling (14 pounds) happens earlier, 28 pounds would be more than expected by one year, and staying at 7 pounds would indicate no growth, which isn’t typical.

Infants grow rapidly in the first year, with birth weight typically doubling by about 4–6 months and tripling by 12 months. Starting at 7 pounds, tripling gives 21 pounds at one year. So 21 pounds is the expected weight. Doubling (14 pounds) happens earlier, 28 pounds would be more than expected by one year, and staying at 7 pounds would indicate no growth, which isn’t typical.

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