Perimenopause symptoms and hormone changes

Perimenopause is the stage when hormone levels begin to change as the body moves towards the menopause milestone and postmenopause stage.

These changes can start several years before periods stop completely. For many women, this is when symptoms first appear.

Hormone levels can rise and fall unpredictably during this time, which can make symptoms feel inconsistent or difficult to recognise at first.

Understanding what is happening can help make sense of these changes.

Hormonal insight. Clarity through change.

Perimenopause → Menopause milestone → Postmenopause

What happens to hormones during perimenopause?

During perimenopause, the ovaries begin to function less consistently. Hormone levels fluctuate rather than decline in a steady way.

These fluctuations affect many systems in the body including the brain, sleep patterns, temperature regulation and menstrual cycle. This is why symptoms can vary from time to time.

How your menstrual cycle changes during perimenopause

Changes to periods are often one of the first signs of perimenopause. By understanding period changes, you can better recognise what’s normal and what may require attention. Some cycles may become shorter or longer and you might experience heavy periods or lighter bleeding than usual.

Some months, ovulation may not occur which can further affect hormone patterns and cycle regularity.

Common perimenopause symptoms

Symptoms vary between individuals but often include:

These symptoms may come and go, and their intensity can change over time.

What perimenopause means for your health

Perimenopause is a transition phase rather than a condition. While symptoms can be disruptive, they are a normal part of hormonal change.

Support at this stage focuses on perimenopause diagnosis, understanding symptoms, managing their impact and maintaining overall wellbeing.

When to seek support for perimenopause

If symptoms are affecting your sleep, mood or day-to-day life, it is recommended that you book a perimenopause consultation. Early support can help you better understand what is happening and explore menopause treatment options to improve how you feel.

Perimenopause can feel unpredictable, but it is a recognised stage of hormonal change.

With the right information and support, it is possible to navigate this stage with greater clarity and confidence.

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