Missed Or Late Periods

NHS

Late or missed periods can be caused by many things. Most of the time it’s nothing to worry about but see a doctor about them just in case.

Causes of missed or late periods

Many women will have missed or late periods at some time. Missed or late periods can affect anyone who has periods. Common causes of a missed or late period include:

  • being pregnant
  • stress
  • the start of menopause (perimenopause), usually between the ages of 45 and 55
  • polycystic ovary syndrome (PCOS)
  • sudden weight loss
  • being overweight
  • doing too much exercise
  • taking the contraceptive pill
  • breastfeeding

Sometimes the gap between your periods may just vary each time. Your periods might come early or late. This is known as having irregular periods. Periods can also sometimes stop as a result of a medical condition, such as heart disease, diabetes or an overactive thyroid.

Treatment for missed or late periods

Treatment for late or missed period depends on what is causing it. A GP may refer you to a specialist (gynaecologist or endocrinologist) if you need tests or scans to find out what's causing you to miss your periods. Examples of treatments include:

  • the combined contraceptive pill to help make your periods more regular if you have a condition like polycystic ovary syndrome (PCOS)
  • hormone replacement therapy (HRT) if you are starting menopause (perimenopause)

A GP can also provide advice or therapy to help you reduce stress and help you to maintain a healthy weight.

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