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The oestrogen and progesterone fluctuate during perimenopause and menopause. This can cause lighter, irregular, or skipped periods
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Due to primary ovarian insufficiency, ovaries slow hormone production early. This leads to unpredictable on light menstrual flow
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When your body lacks energy from food, it stops reproduction, thus causing periods to stop, lighten, or delay
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When you overstrain, you tell your body that it’s under stress. This often halts ovulation and makes periods irregular or barely noticeable
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Thyroid disorders—overactive or underactive—disrupt hormonal harmony, affecting cycle timing, flow intensity, and overall menstrual regularity
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Raised prolactin, even without breastfeeding, suppresses ovulation—making periods lighter, less frequent, or totally absent for months
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High blood sugar in unmanaged diabetes interferes with hormonal regulation, often leading to irregular or light menstruation
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Excess cortisol from Cushing’s syndrome confuses hormonal signals, deprioritising menstruation in favour of stress-related bodily functions
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With congenital adrenal hyperplasia, excess androgens may suppress ovulation, leading to infrequent or very light periods
Image: Canva
Medications, including hormonal contraceptives or psychiatric drugs, may reduce endometrial growth, causing lighter or irregular menstrual bleeding patterns