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Amniotic fluid endocrine changes during maternal hyperalimentation.

M Legge, P S Benny, A J Parker

    JPEN. Journal of Parenteral and Enteral Nutrition
    |July 1, 1984
    PubMed
    Summary
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    Hyperalimentation in pregnant women with low estriol levels improved fetal surfactant production and hormone levels. While some infants had intrauterine growth retardation, no neonatal complications were observed.

    Area of Science:

    • Maternal-fetal medicine
    • Endocrinology
    • Biochemistry

    Background:

    • Low estriol excretion in pregnancy can indicate fetal well-being concerns.
    • Hyperalimentation is a nutritional support method that may influence fetal development.

    Purpose of the Study:

    • To investigate the effects of maternal hyperalimentation on fetal hormone production and surfactant levels.
    • To assess the safety and impact of amino acid and dextrose infusions prior to labor induction.

    Main Methods:

    • Ten women with low estriol excretion received hyperalimentation (amino acids and/or dextrose) before labor induction.
    • Amniotic fluid was analyzed pre- and post-infusion for fetal surfactant, thyroid, pituitary, and carbohydrate-regulating hormones.

    Main Results:

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    • Significant increases in amniotic fluid palmitic acid, reverse T3 (rT3), insulin, cortisol, and cAMP were observed.
    • Elevated beta-endorphin-like activity and decreased cyclic GMP (cGMP) were noted.
    • No significant changes in T3, T4, growth hormone, prolactin, or ACTH were detected.

    Conclusions:

    • Maternal hyperalimentation impacts fetal endocrine and metabolic profiles, potentially enhancing surfactant production.
    • The intervention appears safe, with no attributable neonatal complications despite some cases of intrauterine growth retardation.