Abnormal periods

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Seiji Kanazawa

Medically Reviewed By:

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

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People with these symptoms also use Ubie's symptom checker to find possible causes

  • Infrequent periods (fewer than 6-8 a year)

  • No periods for the past few months

  • Periods occurring too frequently

  • I have trouble with menstruation

  • Infrequent menstrual periods

  • Menstruation does not come

  • Menstruation is delayed

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Content updated on May 23, 2022


Menstrual periods usually last four to seven days. Abnormal periods are  Periods that are less than 21 days between or more than 35 days apart, missing three or more periods in a row, Or abnormal menstrual flow that is heavier or lighter than usual.

When to See a Doctor

Seek professional care if you experience any of the following symptoms

  • sweating

  • Recent weight loss

  • Edema

  • Altered mental status (delirium)

  • Muscle weakness in the limbs

Possible Causes

  • Menopause

    A normal condition where periods stop due to decreasing levels of female hormones. Menopause is abnormal if it happens too early (less than 40 years old).

  • Cushing syndrome

    This condition is caused by excessive amounts of a hormone called cortisol. This may be caused consumption of some steroid medications or the body itself may produce too much cortisol.

  • Anovulatory menstruation

    A condition where periods do not occur due to failure of release of an egg from the ovaries. This is caused by hormonal imbalances, which in turn can be triggered by being underweight, excessive exercise, or significant stress.

  • Acromegaly
  • Premenstrual syndrome (PMS)
  • Anorexia nervosa / bulimia nervosa
  • Hypopituitarism
  • Uterine hypoplasia
  • Ovulation bleeding
  • Uterine fibroids

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Do you have abnormal menstrual cycles e.g. too early or too late

  • Is your menstrual cycle infrequent e.g. longer than 39 days?

  • Have you had unintentional weight loss of more than 2 kgs in a month?

  • Are you currently thin, with BMI (Body Mass Index) less than 18 or recommended in your country?

  • Do you feel you have put on weight across your whole body (not just around the tummy)?

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Seiji Kanazawa

Medically Reviewed By:

Seiji Kanazawa, MD, PHD

Obstetrics and gynecology (OBGYN)

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