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Related Experiment Videos

Zinc deficiency: a problem with preterm breast milk.

J F Murphy, O P Gray, J R Rendall

    Early Human Development
    |January 1, 1985
    PubMed
    Summary

    A preterm infant developed zinc deficiency due to low zinc levels in his mother's breast milk. This highlights the need to monitor zinc in preterm infant nutrition.

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    Area of Science:

    • Neonatal Nutrition
    • Pediatric Gastroenterology
    • Human Lactation

    Background:

    • Nutritional deficiencies can arise in preterm infants due to various factors, including maternal milk composition.
    • Zinc is an essential trace element crucial for infant growth and development.

    Observation:

    • A 31-week preterm infant exclusively breastfed developed nutritional zinc deficiency 13 weeks post-delivery.
    • The infant's mother exhibited normal serum and sweat zinc levels.
    • Her breast milk, collected 2 weeks post-delivery, showed significantly low zinc concentrations.

    Findings:

    • Subsequent breast milk samples from the same mother after a full-term pregnancy (38 weeks gestation) contained normal zinc levels.
    • The low zinc concentration in breast milk following the preterm birth is hypothesized to be related to milk immaturity.

    Implications:

    • Neonatal units feeding very low birth-weight infants expressed preterm breast milk should consider routine zinc concentration testing.
    • A high index of suspicion for zinc deficiency is warranted in preterm infants receiving breast milk with potentially low zinc content.
    • This case underscores the importance of assessing micronutrient adequacy in specialized infant feeding practices.

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