Letter I
Irregular periods
Also known as: Irregular menstruation, Oligomenorrhea
Irregular periods symptom guide: what it can mean, possible causes, and when to seek care. Educational only.
Overview
Irregular periods can relate to stress, weight, PCOS, or thyroid issues. They are more common after birth or near menopause. Heavy bleeding or long absence of periods deserves assessment.
Possible causes
- Stress
- PCOS
- Weight changes
- Thyroid problems
- Pregnancy / breastfeeding
When to see a doctor
See a clinic if periods stop for months, bleeding is very heavy, or pain is severe.