Irregular Periods
Cycles that come too early, too late or unpredictably are common and often harmless. Sometimes they point to a hormone or thyroid problem worth checking.
Causes & risk factors
- Hormone imbalance — PCOS is a frequent cause
- Thyroid problems (under- or over-active)
- Stress, sudden weight change or heavy exercise
- Perimenopause — the years before periods stop
- Pregnancy or breastfeeding
- Some contraceptives, especially in the first few months
Common symptoms
Tests & diagnosis
Treatment & management
- Treat the underlying cause — thyroid, PCOS or weight, if present
- Reduce stress and keep exercise moderate
- Aim for a stable, healthy weight
- Doctors may use hormone pills to regularise cycles
- Track your periods to spot patterns and share with your doctor
When to see a doctor urgently
- No period for three months and you are not pregnant
- Very heavy bleeding or clots
- Bleeding between periods or after sex
- Periods stop suddenly before age 40
Not a diagnosis. MedDroid gives general educational information about irregular periods. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
How irregular is too irregular?
An occasional off cycle is normal. See a doctor if cycles are regularly shorter than 21 or longer than 35 days, or if you miss three or more in a row.
Can stress alone stop my periods?
Yes. Significant stress, weight loss or over-exercising can pause ovulation and delay or stop periods. They usually return once things settle, but persistent absence needs review.
Explore more
MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.