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Nutrition and reproduction.

Z M Van der Spuy

    Clinics in Obstetrics and Gynaecology
    |September 1, 1985
    PubMed
    Summary
    This summary is machine-generated.

    Adequate nutrition and a minimum body fat percentage are crucial for reproductive health in women. Undernutrition impairs fertility and pregnancy outcomes, with refeeding being the primary treatment.

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    Area of Science:

    • Reproductive Endocrinology
    • Nutritional Science
    • Human Physiology

    Background:

    • Adequate nutrition is fundamental for normal human reproductive function.
    • Menarche and pubertal development are linked to critical body fat levels and metabolic changes.
    • Ovulatory cycles require a minimum body fat percentage (approximately 22%).

    Purpose of the Study:

    • To explore the intricate relationship between nutrition, body fat, and reproductive health in humans.
    • To elucidate the mechanisms by which undernutrition affects reproductive competence and menstrual function.
    • To discuss the implications of nutritional status on fertility, pregnancy outcomes, and infant development.

    Main Methods:

    • Review of existing literature on nutrition and reproductive endocrinology.

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  • Analysis of the impact of body composition changes (specifically fat tissue reduction) on hormonal regulation.
  • Examination of the consequences of undernutrition in both developed and developing countries.

    • Main Results:

    • Undernutrition leads to weight loss, reduced body fat, impaired gonadotropin secretion, and menstrual abnormalities like amenorrhea.
    • Refeeding and restoration of body fat typically restore reproductive function.
    • Malnutrition significantly prejudices pregnancy outcomes, increasing maternal and fetal morbidity/mortality.

    Conclusions:

    • Cessation of reproductive function in undernourished women is an adaptive mechanism to protect both mother and fetus.
    • Treatment for reproductive dysfunction due to undernutrition should prioritize refeeding over ovulation induction.
    • Nutritional disparities, not inherent ethnic/cultural differences, often explain variations in reproductive performance.