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Breastfeeding supplementation — USMLE Step 3 MCQ

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EasyPediatrics (well-child, chronic management)Breastfeeding supplementationUSMLE Step 3

A healthy 2-week-old exclusively breastfed infant is gaining weight appropriately. The parents ask whether any routine supplement is recommended. The infant was born at term and has no medical problems. Which of the following is the most appropriate at this time?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: CStart vitamin D supplementation

Exclusively breastfed infants should receive vitamin D supplementation to prevent deficiency and rickets.

Reference: AAP Breastfeeding and Vitamin D Guidance