"Pre-menopause" is used in two different ways. Strictly, in medical definitions, premenopause means all of your reproductive years before your final period. In everyday speech, though, most women and many websites use "pre-menopause" to mean the few years just before menopause when periods and moods start changing, which doctors call perimenopause. This guide untangles the terms, explains each stage and tells you what to expect, and when to get help.
Pre-menopause, perimenopause, menopause: the definitions
Doctors and researchers use a set of definitions that go back to a World Health Organization scientific group, and which are still used by menopause societies, including the Indian Menopause Society:
| Term | What it means |
|---|---|
| Premenopause | The whole reproductive period, from your first period up to your final menstrual period. |
| Menopausal transition | The time before the final period when the length of your cycle starts to vary more than usual. |
| Perimenopause | The menopausal transition plus the first 12 months after the final period. This is the stage most people mean when they say "pre-menopause". |
| Menopause | Your final period, confirmed when you have gone 12 months without one. |
| Postmenopause | All the years after your final period. |
So if you are 43 and your periods have started arriving every three weeks, or skipping a month, you are technically in perimenopause, even though you may hear it called "pre-menopause". If you are 35 with regular cycles and no symptoms, you are premenopausal in the strict sense, simply because you have not yet reached menopause.
Why does the difference matter? Because if you search "pre-menopause symptoms", what you are really looking for is information about perimenopause, and the advice on tests, contraception and treatment is the advice for perimenopause.
Two meanings, two different life stages
Pre-menopause in the strict sense: your reproductive years
Used precisely, premenopause simply means "not yet menopausal". A 28-year-old and a 44-year-old are both premenopausal. On a medical form or in a research paper, "premenopausal women" usually means any woman still having periods, however regular.
Within these years, the stage just before the transition matters most. The STRAW+10 staging system (Stages of Reproductive Aging Workshop, 2012), used by menopause specialists worldwide, calls it the late reproductive stage. Periods are still regular, but fertility is falling and blood tests may show a lower egg reserve (anti-Müllerian hormone). Towards the end of this stage, cycles may become a little shorter. Most women notice nothing at all.
Pre-menopause in everyday use: really perimenopause
When a friend says "I think I am pre-menopausal", she usually means her body has started changing: periods arriving early or late, poor sleep, new anxiety or hot flushes. STRAW+10 marks the start of this transition when your cycle length varies persistently by seven days or more from one cycle to the next, and the later part when you go 60 days or more without a period. We compare each stage side by side in our guide to perimenopause vs menopause.
When does it start for Indian women?
A PAN-India survey by the Indian Menopause Society, published in 2016, found an average age at natural menopause of 46.2 years, several years earlier than the figure of about 51 quoted in Western sources. Working back from that, many Indian women notice perimenopausal changes from about 40 to 44, and some earlier. Our article on perimenopause age goes through what is typical at 35, 40, 45 and 47.
If your periods stop or become very irregular before 40, or before 45, that is not the usual pattern and is worth discussing with a doctor, as it may be early menopause or premature ovarian insufficiency.
Remember too that the stages are not neat boxes. You might have a few irregular cycles at 42, then a year of regular ones, then start skipping months at 45. Symptoms can also begin while cycles still look regular.
Your late 30s and early 40s: what changes first
Before any obvious symptoms, a few quieter changes are under way:
- Fertility falls. The UK's Faculty of Sexual and Reproductive Healthcare notes that fertility declines relatively steeply from the mid-30s, mainly because egg quality and numbers fall. Pregnancy is still possible, so contraception is still needed if you do not want one.
- Cycles may shorten. A cycle that was always 30 days might settle at 26 or 27 before it becomes irregular.
- PMS may change. Some women notice stronger premenstrual mood changes, breast tenderness or poorer sleep in the days before a period.
- Health risks start to shift. This is a good time to get a baseline of blood pressure, blood sugar, cholesterol, thyroid function and weight, and to keep cervical screening and breast checks up to date, so that changes later on are easier to spot.
What to expect once the transition begins
Every woman's experience is different, and some have very few symptoms. Common changes in the years just before menopause include:
- Periods: closer together or further apart, lighter or heavier, with skipped months.
- Hot flushes and night sweats: sudden heat in the face, neck and chest, often worse at night.
- Sleep: difficulty falling or staying asleep, sometimes because of night sweats.
- Mood: irritability, anxiety, low mood or feeling "not myself", often worse in the days before a period.
- Brain fog: forgetfulness and difficulty concentrating.
- Breast tenderness and worse PMS: because oestrogen can swing higher as well as lower in this stage.
- Vaginal dryness, lower libido and urinary changes: often later in the transition.
- Joint aches, headaches and tiredness.
Our guide to the 34 symptoms of perimenopause goes through each of these in detail. Many Indian women juggling work, children's exams and caring for ageing parents put these changes down to stress, and they may well be part of it. But hormonal changes are a real and treatable cause.
Do you need a test to confirm it?
Usually not. UK NICE guidance says women over 45 with typical symptoms can be diagnosed with perimenopause based on symptoms alone, without blood tests. Hormone levels swing so much in this stage that a single test can be misleading. Blood tests such as FSH may be useful in women aged 40 to 45 with symptoms, or under 40 when early menopause is suspected. Our complete guide to perimenopause explains testing and treatment options in India.
What you can do now
- Track your cycle and symptoms for two or three months. The pattern is often more useful than any single test. Our free symptom tracker can help.
- Keep using contraception if you do not want to become pregnant. You can still conceive in perimenopause.
- Look after your bones and heart: regular weight-bearing exercise, enough protein, calcium and vitamin D, and not smoking.
- Prioritise sleep with a cool bedroom, light cotton nightwear and a regular bedtime.
- Talk to someone. Your partner, a friend or a doctor. You do not need to wait until symptoms become severe.
- Ask about treatment if symptoms affect your life. Options include HRT, which is effective for hot flushes and other symptoms but is not suitable for everyone, as well as non-hormonal medicines, talking therapies and lifestyle support. Some women also choose a supplement such as MENOVITA, formulated to support comfort with hot flushes, night sweats, sleep and mood.
When to see a doctor
- Very heavy periods (soaking through pads every hour or two, or passing large clots), or periods lasting much longer than usual.
- Bleeding between periods or after sex.
- Periods stopping or becoming very irregular before 40.
- Symptoms affecting your work, sleep, relationships or mental health.
- Low mood that will not lift, or any thoughts of harming yourself: seek help promptly.
- Any bleeding after you have gone 12 months without a period.
Questions women ask
Is pre-menopause the same as perimenopause?
Not in strict medical terms. Premenopause covers all your reproductive years before your final period, while perimenopause is the transition stage just before menopause plus the year after it. In everyday use, though, people usually say "pre-menopause" when they mean perimenopause, so most symptom information you find will apply to perimenopause.
How long does pre-menopause last?
If you mean perimenopause, it varies widely, from a couple of years to several years. The later stage, when you start missing periods for 60 days or more, lasts on average one to three years according to the STRAW+10 staging system. Symptoms can continue for some years after the final period.
Can pre-menopause start at 35?
Fertility starts to fall from the mid-30s, and some women notice subtle cycle changes. Clear perimenopause at 35 is less common. Periods stopping or becoming very irregular before 40 can indicate premature ovarian insufficiency and should be checked by a doctor.
Can I still get pregnant?
Yes. You may ovulate less often, but you still can, so you need contraception until you meet the stopping rules for your age. Read our guide on pregnancy and contraception in perimenopause.
Will my symptoms get worse at menopause?
Not necessarily. Some symptoms, such as hot flushes, often peak around the final period and then gradually ease. Others, such as vaginal dryness, may continue or start later. With support and, where appropriate, treatment, most women manage the transition well.
Wondering whether your symptoms are hormonal? Take our free menopause test, or book a consultation with a NuHer doctor in person at Nariman Point, Mumbai, or by video from anywhere in India.
