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Irregular Cycles and PCOS
Polycystic Ovary Syndrome (PCOS) is one of the most common hormonal conditions, affecting roughly 1 in 10 women of reproductive age worldwide.
87%
Irregular cycles affect about 87% of people with PCOS
Human Reproduction Update, 2016
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Last updated: July 13, 2026 · Editorial Policy
This is educational information based on published research, not medical advice. Always consult your healthcare provider for personal guidance.