Human milk is rich in all except:

OSSSC Nursing Officer-2023

Biochemistry & Nutrition

Easy

Appeared in: OSSSC Nursing Officer-2023

Explanation

Human milk is considered a poor source of iron in terms of absolute quantity, although the iron it contains is highly bioavailable (easily absorbed).
The total amount of iron is insufficient to meet the needs of a growing infant after their initial iron stores, acquired during fetal life, are depleted around 4-6 months of age.
This physiological deficit is why pediatric guidelines universally recommend introducing iron-rich complementary foods or supplements at approximately 6 months to prevent the development of iron deficiency anemia.

Option A: Human milk, and especially colostrum (the first milk), is a rich source of Vitamin A, which is vital for the infant's immune system, vision, and growth.
Option B: Human milk provides an adequate amount of Vitamin C. The mother's dietary intake of Vitamin C can influence its concentration in her milk.
Option D: Human milk is a good source of Vitamin E, an essential antioxidant that protects the infant's cells from damage by free radicals.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Nutritional Composition of Human Milk as background academic context rather than a clinical decision trigger.
Nurses play a critical role in educating new mothers about infant nutrition. It's essential to explain that while exclusive breastfeeding is best for the first 6 months, breast milk alone does not provide enough iron after this period.
Anticipatory guidance should be provided to parents about the need to introduce iron-fortified cereals or other iron-rich foods starting around 6 months to prevent iron deficiency.
What if the infant is born prematurely? A premature infant has significantly lower iron stores at birth and a higher growth rate, placing them at a much greater risk for early iron deficiency. These infants often require iron supplementation starting as early as 2 weeks of age, much sooner than full-term infants.

How to Approach the Question

First, identify the core concept of the question, which is the nutritional composition of human milk.
Note the keyword 'except'. This indicates you are looking for the option that is NOT true; in this case, the nutrient that human milk is NOT rich in.
Evaluate each option based on your knowledge of infant nutrition.
Recall that Vitamin A (in colostrum), Vitamin C, and Vitamin E are all adequately present in breast milk.
Remember that iron deficiency is a common concern in later infancy, precisely because breast milk is low in iron quantity, even though it's well-absorbed. This makes it the correct exception.
Select 'Iron' as the nutrient that human milk is not rich in.

Concept Tested & Keywords

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E6 Nutrition Kumud Khanna 2e pp. 126-128, 125-127

E6 Parks TextBook of Preventive & Social Medicine part 2 — Subpart A (pp 1-232 of 464) p. 35-37