July 10, 2026|Tania Mullan

MIDLIFE, EXPLAINED

How Do I Know If I'm in Perimenopause?

The signs nobody warned you about, why one blood test may not settle the question, and what to do next. Because the pattern matters more than one hormonal moment.

Written and edited by Tarnia Mullan, Founder of SOMA Wellness Co. · July 2026 · 17 min read

A change in pattern can begin long before periods stop.

Quick Answer: What are the first signs of perimenopause?

Perimenopause commonly begins in the 40s, although it can start earlier. You can still be having periods, and they may even look fairly regular at first. The earliest clue is often not one dramatic symptom. It is a change in pattern: periods, sleep, temperature, mood, concentration, pain or coping capacity shifting together.

For most women over 45 with a typical pattern, diagnosis is based on age, symptoms and menstrual history rather than a hormone result, as levels can fluctuate dramatically from day to day.

Blood tests may still matter when symptoms begin earlier than 40, periods cannot be used as a guide, or another health condition needs to be ruled out.

You might think perimenopause arrives with a polite hot flush and a fan.

Sometimes it does. A few warm moments. Periods become unreliable. Everyone nods knowingly and you move on with the breezy confidence of someone who has never Googled "am I dying or is this hormones?" at 2:17 a.m.

For many women, the first signs are not the ones they expected.

You are sleeping, but waking exhausted. Your shoulder suddenly refuses to cooperate with a bra strap. Your skin is dry, itchy or doing something entirely new. You cannot tolerate noise, people, heat, group chats or your own jeans. Your heart races for no clear reason. You cry at an advertisement for dog food, then rage-clean a cupboard because somebody breathed too loudly near you.

And when you finally ask, "Could this be perimenopause?" somebody runs bloods and tells you no.

So you go back to managing it privately. You make another coffee, write another list, promise yourself you will sleep more, exercise properly and stop being so dramatic. All while a quiet part of you keeps saying: this is not how I used to feel.

That quiet part may be right. You may be in a hormonal transition that was badly explained, while your nervous system is trying to carry the same life with less buffer and absolutely no reduction in the number of people asking what is for dinner.

What are the first signs of perimenopause?

Perimenopause is the phase leading up to menopause and the twelve months after the final period, while menopause is confirmed retrospectively after twelve consecutive months without a period where no other cause explains the change.

Australian Government guidance says perimenopause commonly lasts between two and ten years, with an average of around four to six. That is not one bad week with a fan.

The most useful early clue is often change. A period that arrives earlier or later. Sleep that becomes lighter. Heat that turns up without warning. A new level of premenstrual intensity. Vaginal dryness. A sudden drop in tolerance. The sense that several parts of your body have changed their settings at once.

Professor Susan Davis AO, one of Australia's leading menopause researchers, has spent decades showing why women need evidence-based care rather than a generic symptom script. Recent Australian research led by her team found that hot flushes, night sweats and vaginal dryness are especially defining features of the transition. That does not mean every woman has them. It means they carry more diagnostic weight than a viral list in which every possible midlife complaint is treated as equally specific.

"We described over 70 symptoms in The New Menopause." — Dr Mary Claire Haver, The New Menopause

Can you be in perimenopause while your periods are still regular?

Yes. Period changes are often part of the picture, but they do not always arrive first and they are not always dramatic at the beginning.

Your cycles may become shorter, longer, heavier, lighter or more unpredictable. You may skip a month, then return to something that looks normal. Hormonal contraception, an IUD, hysterectomy or irregular cycles for another reason can also make bleeding patterns harder to interpret.

And irregular periods do not mean pregnancy is impossible. The Australasian Menopause Society advises that contraception may still be needed during perimenopause until a clinician confirms it is no longer required.

Worth knowing — bleeding changes that deserve medical review: Perimenopause can change bleeding. But very heavy bleeding, bleeding between periods, bleeding after sex, new bleeding after twelve months without a period, or bleeding accompanied by marked weakness or symptoms of low iron should be assessed rather than assumed to be hormonal.

Can a blood test confirm perimenopause?

Usually, not by itself.

Oestrogen and FSH can fluctuate markedly during perimenopause. A single test is one hormonal moment. It may catch a spike, a dip or an entirely ordinary-looking day in the middle of a very unordinary month.

The Australasian Menopause Society advises that FSH and oestradiol testing is generally unnecessary in women over 45 with a typical symptom and menstrual pattern. Symptoms and history usually carry more clinical value.

Testing becomes more relevant when symptoms begin before 45, when premature ovarian insufficiency is possible, when periods cannot be used as a guide, or when another condition could be contributing. Thyroid disease, iron deficiency, B12 deficiency, diabetes, medication effects, sleep apnoea, autoimmune illness and mental health conditions can overlap with parts of the same picture.

The useful translation is not "blood tests are pointless." It is "one normal hormone test should not automatically end the conversation."

"Perimenopause is usually diagnosed from the pattern of symptoms and menstrual change, not one hormone result." — Australasian Menopause Society, paraphrased clinical guidance

Primary action: Use the 60-day SOMA Symptom Tracker

Track two cycles, or roughly sixty days if your cycle is irregular. Record bleeding, sleep, temperature changes, mood, concentration, pain, skin changes, palpitations, vaginal or urinary symptoms and the days when your usual coping capacity disappears.

Then bring the pattern to a menopause-informed GP or practitioner. Not as a self-diagnosis. As organised evidence of what changed, when it changed and how much it is affecting your life.

→ Download the 60-day SOMA Symptom Tracker

Why does perimenopause affect women so differently?

Two women can be the same age, at a similar hormonal stage, and have completely different experiences. One gets three hot flushes, buys a handheld fan and carries on. The other loses sleep, words, patience, shoulder mobility and the ability to wear a fitted waistband without taking it personally. Neither is exaggerating. They are having different versions of the same biological season.

A history of severe PMS or PMDD, perinatal mood symptoms, migraine, neurodivergence, chronic illness, surgical menopause, prolonged stress, trauma and poor sleep can all shape how the transition is felt. So can the load a woman is carrying at the exact time her hormonal environment begins changing.

Australian GP and menopause educator Dr Ginni Mansberg has repeatedly pointed out that perimenopause often lands in the busiest years: teenagers, ageing parents, senior work, relationship pressure and a body that no longer absorbs sleep loss or stress in quite the same way.

That is where SOMA's nervous-system lens matters. Hormones are not the only story, but they can alter the systems involved in sleep, mood, temperature, cognition and stress response. At the same time, sustained stress can intensify sleep disruption, skin flares, palpitations, pain and sensory overwhelm. The relationship is layered, not one-way.

If your sister barely noticed menopause while you are standing in the kitchen with a frozen shoulder, crawling skin, no sleep and no idea where the spatula has gone, please do not use her experience as evidence that you are doing it wrong.

Even women with extraordinary access to information have been caught off guard. Oprah Winfrey has described moving through sleeplessness and heart palpitations without recognising them as part of menopause at first. Michelle Obama has spoken publicly about hot flushes and the lack of everyday conversation about the transition. Their value here is not celebrity diagnosis. It is proof of the education gap: fame, intelligence and resources do not automatically protect a woman from being blindsided by a transition nobody properly explained.

The perimenopause symptom map

Online, you will see lists of 34 symptoms, 48 symptoms, even 76 symptoms. There is no single authoritative medical list of 76. The number grows because common symptoms, less-specific symptoms, downstream effects and unrelated conditions are often bundled together.

That does not mean the less-spoken-of experiences are imaginary. It means symptom lists need hierarchy. Some patterns are more characteristic of perimenopause. Others are real but have many possible causes and deserve investigation rather than automatic attribution.

Cognitive and sensory changes

Brain fog, losing words mid-sentence, poor concentration, changed migraines, dizziness, tinnitus, tingling, an inner vibration, or suddenly finding noise, light and smell much harder to tolerate. These can appear in midlife, but they are not specific to perimenopause, so timing and assessment matter. For the deeper fear-relief explanation, read What's Going On With My Brain?

Mental and emotional changes

New anxiety, a shorter fuse, rage, tearfulness, panic, low mood, feeling flat, or losing the coping capacity you once relied on. Hormonal change and nervous-system load can overlap here. Severe, persistent or unsafe symptoms need direct clinical care. When the anger is the part leaving you ashamed afterwards, read Why Am I So Angry?

Sleep, temperature and energy

Hot flushes, night sweats, lighter sleep, waking between 2 and 4 a.m., unrefreshing sleep and the very unfair combination of being exhausted all day and wide awake when the house finally goes quiet. The full body-clock explanation is in Exhausted at 3 p.m., Yet Wide Awake at 3 a.m.

A Peek Behind the Curtain

I did not have a neat perimenopause story.

I did not get the memo, track the symptoms, see a menopause-trained GP and glide through with a colour-coded spreadsheet. I white-knuckled it. Which, frankly, is very Gen X. Not because I was proudly stoic. Because I kept asking questions and kept being told I was not in perimenopause.

My life was already complicated: anxiety, depression, marriage breakdown, work, study, single motherhood, autoimmune disease and fatigue. I could never tell what came first. Were the memory issues hormonal, autoimmune or exhaustion? Was the hair loss thyroid, nutrition or stress? Was my body changing because of hormones, inflammation, medication or all of it arriving at the same party without introducing itself?

Looking back, I suspect my early-to-mid 40s were when the pattern began. I did not start feeling as though I had come through the other side until I was almost 53. That was more than a decade of trekking through hormonal swings, mental health, autoimmune illness, debilitating fatigue, nutritional rebuilding, HRT and, eventually, nervous-system support.

If I had known then how many symptoms can appear before a blood test tells a useful story, I would have advocated differently. If I had understood how strongly fluctuating hormones can affect the brain and nervous system, and how an overwhelmed nervous system can ripple through mood, memory, motivation, focus, libido, sleep, pain and skin, I would not have treated every symptom as proof that my body was in rapid decline. So much for "life begins at 40".

That is why I want women informed. Not so every midlife symptom gets labelled perimenopause, and not so an overwhelmed nervous system becomes the new answer for absolutely everything. I want women to stop dismissing themselves. I want them to know that "this is the new normal" is not a care plan, and midlife is not a slow march towards a rocking chair and a hip replacement.

I now see this transition as a form of refinement. For me, it was painful. No point pretending otherwise. But somewhere in the mess, I also discovered the depth of my own resilience, a hunger to understand what helps us live not just longer but healthier and more active lives, and the growing awareness that I still have a third act to write.

I'm not done yet.

With warmth, Tarnia Mullan Founder, SOMA Wellness Co.

Physical and musculoskeletal changes

Joint aches, muscle pain, reduced strength, palpitations, body-composition change and frozen shoulder. Joint and muscle symptoms are recognised around menopause. Frozen shoulder is common in midlife and under active study, but it is not a diagnostic test with a sleeve.

Skin, hair and mouth changes

Dry or itchy skin, crawling sensations, acne, hair thinning or texture changes, dry eyes, gum sensitivity or a burning mouth. Eczema can also begin or flare, but stress, irritants, temperature and immune factors can all contribute.

Periods, vaginal and urinary changes

Periods may become closer, further apart, heavier, lighter or more unpredictable. Vaginal dryness, irritation, painful sex, urinary urgency, frequency and recurrent UTIs are common and treatable. Please do not quietly endure them because nobody mentioned them at school.

Gut and metabolic changes

Bloating, constipation, food or alcohol sensitivity, appetite shifts and weight moving around the middle can occur. They also overlap with thyroid, blood-sugar, medication, sleep and digestive issues, so they belong in the pattern, not automatically in the hormone basket.

What else can look like perimenopause?

Growing awareness is a major step forward. But "it is probably hormones" must not become the new version of "you are just stressed."

Thyroid disease, low iron, B12 or folate deficiency, low vitamin D, diabetes, autoimmune disease, heart rhythm problems, sleep apnoea, medication effects, depression, anxiety disorders and neurological conditions can overlap with parts of the perimenopause picture.

The same is true of skin. Dryness and itch can change around menopause. Eczema is different: it can begin or flare for many reasons, and Healthdirect lists stress, temperature and irritants among recognised triggers. If a rash appeared after a deeply stressful counselling session, the nervous system may plausibly have contributed to the flare. That is not the same as proving perimenopause caused it.

The goal is not to choose between hormones, health conditions and nervous-system overload as if only one can be true. The useful question is: what changed, what is affecting function and what else needs checking?

The SOMA Pattern Method — bring these three things into the appointment:

Pattern: What changed together, and when?
Impact: What is affecting sleep, work, relationships, safety or daily functioning?
Possibilities: What may be hormonal, what may overlap, and what requires investigation?

When should you see a doctor?

Book an appointment when symptoms are affecting daily life, work, sleep, relationships or your sense of safety. You do not have to wait until your periods stop or until you are barely coping.

Prompt review is especially important for very heavy or unusual bleeding, bleeding after twelve months without a period, chest pain, fainting, persistent or severe palpitations, sudden neurological symptoms, severe depression, suicidal thoughts, or any symptom that feels abrupt, progressive or distinctly unlike you.

In Australia, dedicated Medicare menopause and perimenopause health-assessment items have been available since July 2025 for eligible patients. These support a longer assessment. Ask the practice whether you are eligible and whether a clinician with menopause experience is available.

A sentence you can take into the room: "Several things have changed together: my cycle, sleep, mood and physical symptoms. I would like help assessing whether perimenopause is part of the pattern, what else should be ruled out and what my options are."

What can support you while you investigate?

There is no single right way through perimenopause. Medical treatment, MHT/HRT, non-hormonal medicine, nutrition, movement, therapy, sleep support, botanical medicine and community can all have a place depending on the woman and the symptom.

From SOMA's perspective, the nervous system is not a trendy extra. It sits at the intersection of many of the experiences women describe most: wired-but-exhausted sleep, a shorter emotional fuse, sensory overload, cognitive fog and a body that takes longer to settle after stress.

Botanicals can also be part of that support layer. Tulsi has placebo-controlled human evidence relevant to general stress symptoms, including forgetfulness and exhaustion. Lemon balm has human research supporting calm, mood and performance under stress. Passionflower and chamomile have been studied in relation to sleep and settling at night. These ingredients do not replace investigation or medical care. They offer a repeatable botanical layer alongside it.

Where SOMA fits: a day-and-night nervous-system ritual

SOMA's Circadian Duo was created for the nervous-system and daily-rhythm layer of midlife.

Vitalitea Daylight combines gotu kola, tulsi and lemon balm for calm focus and daytime steadiness. Serenitea Moonlight combines passionflower, lemon balm and chamomile for the evening downshift and a more settled night.

Morning kettle. Daylight ritual. Evening kettle. Moonlight ritual. Botanicals inside the body, rhythm outside the body.

SOMA is hormone-free and designed to complement, not replace, medical advice or treatments such as MHT/HRT. We believe there is no single right way through midlife.

→ Explore the Circadian Duo

You were right to ask the question

If you are in the middle of this, you may not be able to tell exactly what belongs to hormones, what belongs to stress and what belongs to another health issue.

That does not mean you have failed to understand your own body. It means the transition can be layered, messy and badly explained.

You can be in perimenopause while you are still bleeding. You can be in perimenopause after one normal hormone result. Your main symptom may be sleep, mood, vaginal dryness, hot flushes or a pattern of several smaller changes that only makes sense when you see them together.

You do not need to arrive at the appointment with a diagnosis. You need a pattern, the impact it is having and a clinician willing to investigate the possibilities.

Forewarned is not frightened. It is prepared.

"I never had a hot flash in my life, but I started menopause at 48 with heart palpitations." — Oprah Winfrey, describing the symptom that sent her from doctor to doctor

Next step — start with the pattern:

Primary action: Download the 60-day SOMA Symptom Tracker.
Secondary action: Take your top three symptoms and the SOMA Pattern Method into your next appointment.

Share this article. If this put words to something you have been carrying quietly, pass it on to the woman who has been told her results are normal but knows something has changed.

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