What are menstrual disorders?
Menstrual disorders are problems affecting the menstrual cycle, period regularity, duration, flow or pain.
Common concerns include irregular periods, delayed periods, heavy menstrual bleeding, painful periods, scanty periods, prolonged periods and bleeding between periods.
Menstrual cycles can naturally vary, especially during adolescence, after pregnancy and during the years approaching menopause.
Common symptoms
Irregular or unpredictable periods
Heavy menstrual bleeding
Periods lasting longer than usual
Severe menstrual cramps or pelvic pain
Bleeding between periods
Very short or very long menstrual cycles
Absence of periods
Tiredness or weakness associated with heavy bleeding
Common causes
Hormonal or ovulation-related problems
Polycystic ovary syndrome (PCOS)
Thyroid disorders
Endometriosis
Adenomyosis
Uterine fibroids
Uterine polyps
Certain bleeding disorders
Major changes in weight, exercise or stress
When should you seek medical advice?
Periods suddenly become very heavy or irregular.
Severe pain interferes with normal activities.
Bleeding occurs between periods or after sexual intercourse.
Periods stop unexpectedly.
Heavy bleeding causes weakness, dizziness or symptoms of anaemia.
Important: Persistent menstrual problems should be evaluated to identify the underlying cause.
