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When Are Periods Considered Irregular?
A normal menstrual cycle occurs every 21 to 35 days and lasts between 2 and 7 days. Anything outside this range — including cycles that are too long, too short, too heavy, too light, or too painful — is considered irregular and deserves medical attention.
Many women dismiss irregular periods as 'just the way I am' — but irregular cycles are often a sign of an underlying hormonal or structural condition that is treatable. Ignoring these signs can affect your fertility, your long-term health, and your quality of life.
Common Causes of Irregular Periods
Oligomenorrhoea — infrequent periods (fewer than 9 periods per year). Amenorrhoea — absent periods for 3 or more months. Menorrhagia — abnormally heavy or prolonged menstrual bleeding.
Dysmenorrhoea — severe, debilitating menstrual cramps. Metrorrhagia — irregular bleeding between periods. Premenstrual Syndrome (PMS) — severe mood and physical symptoms before periods.
Detailed menstrual history and symptom discussion. Hormonal blood panel including FSH, LH, prolactin, thyroid, and androgens. Pelvic ultrasound to assess the uterus and ovaries.
Treatment tailored to the underlying cause — not just symptom management. Follow-up monitoring to ensure your cycles normalise and symptoms resolve.
At her Sector 71, Mohali clinic, Dr. Bansal conducts a thorough evaluation to identify the root cause of your menstrual problem, including:
Get answers to common questions about menstrual health and period problems.
Occasional variation in cycle length is normal. However, consistently irregular, absent, very heavy, or extremely painful periods are not normal and should be evaluated by a gynaecologist.
Yes. Irregular periods often indicate irregular or absent ovulation, which directly affects fertility. Treating the underlying cause of irregular periods can significantly improve your chances of conceiving.
Fewer than 9 periods per year (a condition called oligomenorrhoea) is considered abnormal and warrants investigation for hormonal causes such as PCOS or thyroid disorders.
Dr. Sunaina Bansal at Sector 71, SAS Nagar, Mohali is an experienced gynaecologist who specialises in diagnosing and treating irregular periods and the hormonal conditions that cause them.