Key Takeaways

High insulin levels might cause irregular menstrual bleeding

Women with excessive insulin are three times more likely to have abnormal bleeding

Better blood sugar control might help resolve irregular periods

WEDNESDAY, June 4, 2025 (HealthDay News) — Elevated insulin levels could be causing irregular menstrual bleeding in women, a new study says.

Women with excess levels of insulin are three times more likely to suffer from abnormal uterine bleeding, researchers reported today in the journal Menopause .

That means they are more apt to bleed between periods, experienced prolonged bleeding or have extremely heavy periods.

This finding could open up a new way to help women who are suffering from abnormal bleeding, by preventing it through lifestyle changes and bette

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