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Amniotic fluid endocrine changes during maternal hyperalimentation
JPEN. Journal of Parenteral and Enteral Nutrition
|July 1, 1984
Summary
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:
- 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.