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Related Experiment Videos

Electrolyte pH changes in Human Milk.

C Ansell, A Moore, H Barrie

    Pediatric Research
    |December 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Human milk sodium and potassium levels decrease in the first 10 days postpartum. These electrolyte changes, along with pH fluctuations, may influence infant hydration and acid-base balance.

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    Area of Science:

    • Biochemistry
    • Pediatrics
    • Human Milk Analysis

    Background:

    • Human milk composition changes significantly in the early postpartum period.
    • Understanding these changes is crucial for infant nutrition and health.
    • Early lactation milk provides essential nutrients and protective factors for newborns.

    Purpose of the Study:

    • To analyze the pH, sodium, and potassium concentrations in human milk during the first 10 days postpartum.
    • To investigate the trends and variations in these key milk components.
    • To explore the potential implications of these findings for infant physiology.

    Main Methods:

    • Analysis of milk samples from 100 lactating mothers.
    • Measurement of pH, sodium, and potassium concentrations.

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  • Data collection over the first 10 days following delivery.

    • Main Results:

    • Sodium concentration decreased from a mean of 21 mmol/L in the first 5 days to 12 mmol/L by day 10.
    • Potassium concentration showed a downward trend, falling from 18.5 mmol/L to 15 mmol/L by day 10.
    • pH levels exhibited wide daily fluctuations (6.75-7.42), with a mean of 7.09.

    Conclusions:

    • The high initial sodium concentration may protect infants against dehydration and hyponatremia.
    • Variations in milk pH and electrolytes could impact the infant's acid-base and electrolyte status.
    • These dynamic changes highlight the adaptive nature of human milk in early lactation.