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​How long does perimenopause last?
Perimenopause is the stage of life when the body gradually transitions towards the menopause milestone.
For many women this stage lasts several years, although the exact duration varies from person to person.
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Understanding how long perimenopause may last can help women recognise the changes taking place in their bodies and understand what to expect during this time.
What is perimenopause?
Perimenopause is the transitional phase leading up to the menopause milestone. During this time the ovaries gradually produce less oestrogen and progesterone as hormonal changes begin.
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Hormone levels do not fall in a steady way. Instead they tend to fluctuate, which can lead to symptoms such as hot flushes, night waking, mood changes and changes in menstrual cycles.
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Perimenopause ends when menopause occurs. The menopause milestone is defined as the point when a woman has gone 12 consecutive months without a menstrual period.
How long does perimenopause typically last?
For most women, perimenopause lasts between 4 and 8 years.
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This transition often begins in the 40s, although some women may notice symptoms earlier. Over time the hormonal changes become more noticeable and menstrual cycles usually begin to change.
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Some women experience only mild symptoms during this time, while others may experience symptoms that affect sleep, energy levels or daily activities.
Why perimenopause length varies
The length of perimenopause can differ widely between individuals. Several factors may influence how long the transition lasts, including genetics, smoking, overall health and certain medical treatments such as chemotherapy.
For many women however, the duration of perimenopause is simply part of the body’s natural ageing process.
How does perimenopause progress?
Although every woman’s experience is different, perimenopause often develops gradually over time.
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In the early stage, menstrual periods may still occur regularly but hormone levels begin to fluctuate. Some women notice symptoms such as sleep disturbance, anxiety, brain fog or changes in energy levels.
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In the later stage, menstrual cycles often become more irregular. Periods may occur closer together, further apart or become heavier or lighter than before.
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Eventually periods stop altogether and the menopause milestone is achieved once periods have not returned for 12 months.
What makes perimenopause shorter or longer?
Some women experience a shorter transition that lasts only a few years. Others may experience symptoms over a longer period.
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A shorter transition may occur when menopause happens earlier than average. A longer transition may occur when hormonal changes begin earlier but progress slowly.
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Because experiences vary, it can be helpful to focus on managing symptoms rather than trying to predict the exact timing of menopause.
When to see a doctor
If you are experiencing symptoms that may be related to perimenopause, medical advice can help clarify what is happening.
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It may be helpful to arrange a perimenopause consultation if you experience:
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sleep problems that affect daily life
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significant mood changes or anxiety
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very heavy or prolonged menstrual bleeding
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symptoms that interfere with work or daily activities
A doctor can assess your symptoms, consider other possible causes and discuss treatment options where appropriate.
Key points
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Perimenopause is the transition leading up to menopause.
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For most women it lasts between 4 and 8 years.
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Hormone levels fluctuate during this time which can cause a range of symptoms.
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Menstrual cycles often become irregular as the transition progresses.
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Medical advice can help if symptoms become troublesome.
Medically reviewed by Dr Susana Rodriguez, menopause clinician at ClaraSana Women’s Health, Perth.
Our content is based on up-to-date Australian guidelines & may differ from information on other sites.