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Related Experiment Videos

Changes in carbohydrate tolerance during long-term oral contraception.

N A Posner, F A Silverstone, E H Tobin

    American Journal of Obstetrics and Gynecology
    |September 15, 1975
    PubMed
    Summary

    Oral contraceptives like Ovulen can negatively impact glucose tolerance in women, potentially leading to chemical diabetes. Monitoring carbohydrate metabolism is recommended, especially for those with pre-existing diabetes risk factors.

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    Area of Science:

    • Endocrinology
    • Pharmacology
    • Metabolic Health

    Background:

    • Oral contraceptives are widely used by women of reproductive age.
    • Previous studies suggest potential metabolic effects of hormonal contraceptives.
    • Glucose tolerance is a key indicator of metabolic health.

    Purpose of the Study:

    • To investigate the impact of Ovulen (an oral contraceptive) on glucose tolerance.
    • To assess changes in carbohydrate metabolism in women using Ovulen.
    • To identify risks associated with Ovulen use in non-diabetic subjects and diabetes suspects.

    Main Methods:

    • Intravenous glucose tolerance test (GTT) administered to 116 women (82 non-diabetic, 34 diabetes suspects).
    • Subjects received Ovulen for oral contraception and were followed for 1-4 years.

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  • Comparison with a control group using intrauterine devices (IUDs).

    • Main Results:

    • A significant decline in glucose tolerance was observed in non-diabetic subjects using Ovulen, persisting throughout the study.
    • 13% of non-diabetic subjects showed chemical diabetes during Ovulen therapy.
    • A similar, though not statistically significant, decline in glucose tolerance was noted in diabetes suspects.
    • 15% of diabetes suspects had abnormal glucose tolerance tests.
    • Chemical diabetes persisted in suspects but resolved in non-diabetic subjects after Ovulen cessation.

    Conclusions:

    • Ovulen use is associated with a decline in glucose tolerance and an increased risk of chemical diabetes.
    • Diabetes suspects are particularly vulnerable to persistent carbohydrate intolerance.
    • Monitoring carbohydrate tolerance is crucial for women using Ovulen, especially those with diabetes risk factors.