International Board of Certified Lactation Consultant (IBCLC) Practice Exam

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What is the water composition percentage in human milk?

75 - 80%
80 - 85%
85 - 87.5%
90 - 95%

The correct answer is: 85 - 87.5%

The water composition in human milk is indeed around 85 to 87.5%. This high water content is critical for infants, as it helps to keep them hydrated, especially since breast milk is often their primary source of nutrition during the early months of life. The water in human milk not only supports hydration but also facilitates nutrient absorption and digestion, ensuring that infants receive essential vitamins and minerals in appropriate proportions to support their growth and development. The balance of water in breast milk is carefully regulated by the mother's body, which adjusts to the infant's needs. Other options reflect lower or higher percentages that do not accurately depict the composition of human milk, highlighting the importance of understanding nutritional content when discussing breastfeeding and infant feeding practices.