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Other menstrual problems

Other menstrual problems are much less common, and should be discussed with your doctor. These include:

Absent periods

The most common reason for women of reproductive age not to have periods is pregnancy. However, if a girl’s periods do not start by the age of 15, or if periods suddenly stop, she should see a doctor.

Heavy periods

Each woman has her own ‘normal’ amount of bleeding, so you will notice if your pattern changes.

This can include:

  • heavier than usual periods,

  • large blood clots in the flow,

  • bleeding for longer than usual.

If you have several heavy periods, go and see your doctor.

Irregular periods

Periods are often irregular in young girls and after childbirth.

In other cases, see your doctor if you experience heavy bleeding between periods, bleeding more often than usual or in an irregular pattern, or bleeding after intercourse or after menopause.

Reproduced under the terms of Click-Use Licence number C2009000382. The content of this page has been published under a Click-Use Licence which covers the use of core Crown copyright information  and In this instance. The original material can be found on NHS Choices.