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Changes in maternal postpartum adiposity and infant feeding patterns.

S A Quandt

    American Journal of Physical Anthropology
    |April 1, 1983
    PubMed
    Summary

    Maternal postpartum fatness changes were linked to infant feeding frequency. Short, frequent breastfeeding sessions correlated with declining maternal fat, while longer, less frequent feeds were associated with increasing maternal fat.

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    Area of Science:

    • Maternal-infant health
    • Human physiology
    • Nutritional science

    Background:

    • Maternal postpartum body composition is influenced by infant feeding practices.
    • Understanding these dynamics is crucial for maternal health and reproductive outcomes.

    Purpose of the Study:

    • To investigate the relationship between maternal adiposity changes and infant feeding patterns in the first six months postpartum.
    • To explore potential physiological mechanisms linking feeding behavior to maternal fat metabolism.

    Main Methods:

    • Longitudinal study of 46 healthy Caucasian women from parturition to 6 months postpartum.
    • Mothers' infant feeding practices were recorded via diaries.
    • Maternal weight, skinfolds, and midarm circumference were measured serially to compute upper arm fat area.

    Main Results:

    • All women exclusively breastfed for at least 5 months.
    • Declining maternal upper arm fat area was observed in 17 women, associated with short, frequent infant feeds.
    • Increasing maternal upper arm fat area was observed in 29 women, associated with longer, less frequent infant feeds.

    Conclusions:

    • Infant feeding frequency significantly impacts maternal postpartum fat changes.
    • Differential adipose tissue lipoprotein lipase activity, potentially mediated by prolactin, may explain these observed patterns.
    • Findings contribute to the discussion on the critical body composition hypothesis and lactation amenorrhea.

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