One of the questions I get asked most often — usually by women who are pretty sure something's changing but can't quite name it — is "wait, is this menopause?" Most of the time, the honest answer is: not yet. What you're probably in is perimenopause, and the difference matters more than people realise.
Perimenopause is the transition, not the destination
Perimenopause is the stretch of time leading up to menopause, when your hormone levels — mainly oestrogen — start to fluctuate rather than drop off in one clean line. For most women it starts sometime in their 40s, though it can begin earlier. It can last anywhere from a couple of years to closer to a decade.
This is usually where the confusing symptoms show up: periods that get closer together, further apart, heavier, lighter, or just unpredictable. Sleep that doesn't feel like sleep anymore. Hot flashes that arrive with no warning. Mood swings that don't match anything going on in your actual life. None of that means menopause has "started" — it means your body is in the transition toward it.
Menopause is a single point in time
Menopause itself isn't a phase — it's a specific point, medically defined as the day you've gone twelve consecutive months without a period. Everything before that is perimenopause. Everything after it is post-menopause. The average age this happens is around 51, but "average" is doing a lot of work in that sentence — anywhere from your mid-40s to mid-50s is entirely normal.
Why the distinction actually matters
Because so many women are told — by well-meaning people, or just by assumption — that if their periods haven't stopped, they can't be "menopausal" yet, so the hot flashes or the sleepless nights or the mood changes must be something else, or nothing at all. That's not accurate. Perimenopause is where most of the disruptive symptoms happen, often for years, while periods are still very much present. You don't need to wait for a diagnosis to take what you're feeling seriously, or to start asking your doctor the right questions.
This is exactly the kind of thing I wanted this blog — and the guides — to make clear from the start: the goal isn't to hand you a textbook, it's to help you recognise what's actually happening to you, put a name to it, and know what your options are. If you want to go deeper into this stage and what tends to help, that's the whole first section of the Women's Guide.
This post is general educational information, not medical advice. If you're dealing with symptoms that are affecting your day-to-day life, please speak with your doctor — they can talk through what's happening to you specifically, and what options make sense for you.
Want the full picture?
This is just the starting point. Menopause: A Guide for Women walks through the full transition — what's happening, why, and what actually helps — in plain English.
Get the Women's Guide →