Winter Hormone Drift: Why Your Menstrual Cycle Changes in Colder Months
Lifestyle
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News18•17-01-2026, 01:55
Winter Hormone Drift: Why Your Menstrual Cycle Changes in Colder Months
- •Many women experience changes in their menstrual cycle during winter, including delayed ovulation, longer cycles, or altered bleeding patterns, a phenomenon termed 'winter hormone drift'.
- •Reduced sunlight in winter increases melatonin, which can delay ovulation by interacting with brain centers controlling it, and lowers vitamin D, crucial for reproductive health.
- •Lifestyle changes like decreased physical activity, dietary shifts, weight fluctuations, and increased stress levels in winter can disrupt hormonal signals.
- •Elevated cortisol due to stress and disrupted sleep patterns during colder months can suppress reproductive hormones, leading to cycle irregularities.
- •While most seasonal changes are temporary, persistent irregularity, missed periods, or severe symptoms warrant medical consultation, especially for those trying to conceive or managing hormonal conditions.
Why It Matters: Winter hormone drift, driven by seasonal factors, causes menstrual cycle changes; awareness and timely medical advice are key.
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