Perimenopause: What It Is, Symptoms, and How to Track Them

womens healthhealthy livingHealthwomens wellnessmenopause

Nov 10

Written by Nini P

I didn't recognize what was happening to me at first. My heart would suddenly start pounding or fluttering out of nowhere, sometimes several times a day, and it scared me. I was waking up at 3 a.m. for no reason, my period started showing up whenever it felt like it, and I'd walk into a room and completely forget why I was there. Some days I felt anxious or short-tempered and couldn't explain it, even to myself. I put it down to stress, a busy schedule, getting older. When I finally tried to describe it all to my doctor, I stumbled. I couldn't remember when things started or how often they happened, and I left feeling frustrated and a little unheard. It took me months to realize that so much of what I was feeling had a name: perimenopause.

If any of that sounds familiar, you're not alone, and you're not imagining it.

Perimenopause is one of the most common life transitions women go through, yet many of us know very little about it until we're in the middle of it. Symptoms can be vague, they change from month to month, and they're easy to blame on stress, busyness or simply getting older. Mayo Clinic notes that about 80% of women experience symptoms such as hot flashes, sleep problems, mood changes or vaginal dryness, yet only 20% to 30% seek medical treatment (Mayo Clinic News Network).

This guide explains what perimenopause is, the symptoms to watch for, how it's diagnosed, and the treatment options available today, including recent changes in how hormone therapy is labelled. It also shows how tracking your symptoms can help you see your patterns and have a more productive conversation with your doctor.

What is perimenopause?

Perimenopause means "around menopause." It's the transition years leading up to your final period, when your ovaries gradually wind down. It helps to know the three stages:

• Perimenopause: the transition, when cycles become irregular and symptoms often begin.

• Menopause: a single point in time, confirmed once you've gone 12 months in a row without a period (when no medication or other condition explains it).

• Postmenopause: every year after that milestone.

When does it start, and how long does it last?

The median age perimenopause begins is about 47, and the median age of menopause is between 51 and 52 (University of Colorado Anschutz). Some women notice changes in their early 40s or even late 30s. On average, perimenopause lasts about four to five years, though it can stretch closer to a decade for some (Cleveland Clinic; ReproductiveFacts.org , American Society for Reproductive Medicine).

If your periods stop before your early 40s, talk to your doctor. That can point to early menopause or primary ovarian insufficiency, which need their own assessment (Cleveland Clinic).

What's happening in your body?

Perimenopause isn't a smooth, steady decline in hormones. It's more like a rollercoaster. As the number of follicles in your ovaries falls, ovulation becomes less regular. Follicle-stimulating hormone (FSH) can be high one day and low the next, and progesterone often stays low because you ovulate less often (ReproductiveFacts.org). Estrogen swings up and down before eventually declining, with the sharpest drop in the late transition, which begins once you've gone 60 days or more without a period (University of Colorado Anschutz).

Those ups and downs explain why perimenopause can feel so unpredictable: a heavy, early period one month, no period the next, and symptoms that come and go.

One important note: you can still get pregnant during perimenopause. If you don't want to conceive, speak to your doctor about your options.

Common perimenopause symptoms

No two women have the same perimenopause. Some notice very little, while others find their symptoms affect work, relationships and sleep. Mayo Clinic notes that symptoms are often most intense while periods are still happening, which is perimenopause, not after periods have stopped (Mayo Clinic News Network).

Changes to your period

Irregular periods are usually the first sign. Cycles may get shorter or longer, and bleeding may be heavier or lighter. You may skip a month, or several (ReproductiveFacts.org). A change in cycle length of seven days or more that lasts for a few cycles can signal the start of the transition, and bleeding often becomes heavier in the late stage (University of Colorado Anschutz).

Hot flashes and night sweats

Hot flashes are a sudden wave of heat, usually across the face, neck and chest, often with flushing, sweating and a racing heart. At night they become night sweats that wake you up. They can last longer than many women expect. In the landmark SWAN study of 1,449 women, frequent hot flashes and night sweats lasted a median of 7.4 years in total. Women whose symptoms began while they were still having regular or early irregular periods had them the longest, a median of more than 11.8 years (SWAN study via EurekAlert!).

Sleep problems

Trouble falling asleep, waking in the night and waking too early are all common. Night sweats play a role, but sleep can be disrupted even without them (Cleveland Clinic).

Mood changes and mental health

Irritability, tearfulness, anxiety and even panic attacks can appear during perimenopause (Mayo Clinic News Network). A 2024 University College London meta-analysis of 9,141 women found that perimenopausal women had about a 40% higher risk of depressive symptoms and of a depression diagnosis than premenopausal women (News-Medical, on the Journal of Affective Disorders study). If low mood lasts more than a couple of weeks, please reach out to your doctor.

Brain fog

Forgetfulness, losing your train of thought and difficulty concentrating are frequently reported (University of Colorado Anschutz). It can be unsettling, but it's a recognized part of the transition.

Vaginal, sexual and urinary changes

Falling estrogen can cause vaginal dryness, discomfort during sex and lower libido, along with urinary urgency or more frequent urinary tract infections. Doctors call this genitourinary syndrome of menopause (GSM). It affects about 40% to 60% of postmenopausal women and, unlike hot flashes, tends not to improve on its own without treatment (Cleveland Clinic Journal of Medicine).

Other physical symptoms

Many women also report headaches, dizziness, itchy skin, restless legs, heart palpitations, breast tenderness, bloating, constipation, and muscle or joint aches (Mayo Clinic News Network).

How perimenopause is diagnosed

Many women hope a blood test will give them a clear yes or no. Unfortunately, there's no single test that can confirm perimenopause (ReproductiveFacts.org). Because hormones swing so much from day to day, a normal result on one day doesn't rule it out.

Instead, doctors usually diagnose perimenopause from your age, your symptoms and your cycle pattern. In the UK, NICE guidance advises against using FSH tests to diagnose perimenopause in women over 45 (Hertility, summarizing NICE guidance). The University of Colorado's menopause specialists say routine FSH and estradiol blood tests aren't recommended for diagnosing or managing symptoms either (University of Colorado Anschutz).

Hormone testing does still have a role for younger women. If you're under 45, and especially under 40, your doctor may check FSH to look for early menopause or primary ovarian insufficiency (Hertility).

Your doctor may also order tests to rule out conditions that can look a lot like perimenopause. These include thyroid disorders, iron deficiency or anemia (especially if your periods are heavy), pregnancy, medication side effects, depression or anxiety, and sleep disorders such as sleep apnea (Clue).

This is exactly why a written record is so valuable. Your doctor is relying on your description of what's happening. A few months of notes on your cycle and symptoms gives them far more to work with than a memory of "I think it started last spring."

Treatment options

The good news is that there are safe, evidence-based treatments for perimenopause symptoms, even severe ones (University of Colorado Anschutz). The right choice depends on your symptoms, health history and preferences, so this is a conversation to have with your doctor.

Menopausal hormone therapy (MHT or HRT)

The Menopause Society's 2022 position statement describes hormone therapy as the most effective treatment for hot flashes and night sweats, and for genitourinary symptoms. It also helps prevent bone loss and fractures. For most healthy women with symptoms who are under 60 or within 10 years of menopause, the Society says the benefits outweigh the risks (Let's Talk Menopause, summarizing The Menopause Society).

Hormone therapy comes as pills, patches, gels or sprays. If you still have a uterus, you'll usually also need a progestogen to protect the lining of the uterus (ReproductiveFacts.org). Transdermal forms (through the skin) and lower doses may lower the risk of blood clots and stroke (Let's Talk Menopause). Hormone therapy isn't right for everyone, and it still carries risks, including blood clots, stroke and gallbladder disease (Mayo Clinic News Network).

What changed recently: On November 10, 2025, the U.S. FDA announced it would remove the broad boxed warnings about cardiovascular disease, breast cancer and probable dementia from menopausal hormone therapy labels. The boxed warning about endometrial cancer stays on systemic estrogen-only products (Contemporary OB/GYN). The FDA approved the first six updated labels on February 12, 2026, noting that women who start hormone therapy within 10 years of menopause, generally before 60, show reduced all-cause mortality and fractures in randomized studies (U.S. FDA). These changes apply to U.S. labels; Health Canada and other regulators set their own.

Vaginal estrogen

For dryness, painful sex and urinary symptoms, low-dose vaginal estrogen (a cream, tablet or ring) treats the tissue directly. Blood estrogen levels generally stay within the range seen in untreated postmenopausal women, and side effects are fewer than with systemic estrogen (Cleveland Clinic Journal of Medicine). Vaginal moisturizers and lubricants can also help (ReproductiveFacts.org).

Non-hormonal prescription options

If you can't or prefer not to use hormones, The Menopause Society's 2023 nonhormone therapy statement recommends several options for hot flashes, including certain antidepressants (SSRIs and SNRIs), gabapentin, oxybutynin and fezolinetant (Veozah) (Breastcancer.org , summarizing The Menopause Society). In October 2025, the FDA approved elinzanetant (Lynkuet), a second hormone-free medication that blocks two brain receptors involved in temperature control. It's approved for moderate to severe hot flashes due to menopause (Pharmacy Times).

Talk-based therapies

Cognitive behavioural therapy (CBT) and clinical hypnosis are both recommended for hot flashes (Breastcancer.org). CBT can also help with sleep, low mood and anxiety, so it's worth asking about.

Lifestyle habits that support you through the transition

Let's be honest about the evidence. The Menopause Society's 2023 review did not find that exercise, yoga, diet changes, supplements, herbal remedies or avoiding triggers reliably reduce hot flashes on their own (Breastcancer.org). Be wary of any product that promises to "cure" perimenopause.

That doesn't mean lifestyle doesn't matter. Healthy habits make a real difference to your sleep, your bones, your heart and how well you cope, and some women do find personal triggers worth managing.

Protect your sleep

About half of women aged 45 to 64 report menopause-related sleep disruption at least sometimes. The American Academy of Sleep Medicine suggests the following (AASM Sleep Education):

• Keep your bedroom cool, dark and quiet.

• Use light, breathable bedding and layers you can easily remove.

• Limit caffeine and alcohol, especially close to bedtime, as both can worsen hot flashes.

• Go to bed and wake up at the same time every day, including weekends.

• Wind down with something calming, such as reading, meditation or a warm shower.

Look after your bones

Bone loss begins during perimenopause, and the fastest decline happens in the first 10 years after your final period, because estrogen helps keep bone breakdown and rebuilding in balance. Osteoporosis Canada recommends regular physical activity, enough calcium, protein and vitamin D, not smoking, and limiting alcohol and caffeine (Osteoporosis Canada). Ask your doctor whether a bone density test makes sense for you.

Look after your heart

The American Heart Association calls the menopause transition a time of increasing heart disease risk. Menopause doesn't cause heart disease directly, but changes such as rising cholesterol, weight gain around the middle, stiffer blood vessels, poor sleep and depression can all affect heart health. The AHA recommends staying active, eating a heart-healthy diet, prioritizing sleep, caring for your mental wellbeing, and knowing your numbers, such as blood pressure and cholesterol (American Heart Association via EurekAlert!).

Find your personal triggers

Although avoiding triggers isn't a proven treatment, many women notice that certain things, such as alcohol, caffeine, spicy food, stress or a warm room, seem to set off their hot flashes. The only way to find out what applies to you is to keep track over a few weeks.

Why tracking your symptoms helps

Since there's no blood test for perimenopause, your own record is one of the most useful tools you have. Tracking helps you:

• See patterns. Are your hot flashes worse the week before your period? Does poor sleep always follow a glass of wine? Patterns that feel random day to day often become clear over a month or two.

• Make the most of short appointments. Instead of trying to remember everything on the spot, you can show your doctor exactly how often symptoms happen, how severe they are and how long they've been going on.

• Spot changes that need attention. A written cycle log makes it obvious when bleeding becomes unusually heavy, frequent or long.

• Measure what's working. If you start a new treatment or habit, regular check-ins show whether things are actually improving.

• Feel more in control. Many women find that naming and recording their symptoms makes the whole experience feel less overwhelming.

Try the Perimenopause Tracker Journal

To make tracking simple, I created the Perimenopause Tracker Journal, a 22-page printable designed to help you track, understand and advocate for yourself. It includes:

• My Health Snapshot and a Symptom Checklist of more than 40 symptoms to record your starting point

• A Year at a Glance period tracker and cycle log

• A Monthly Symptom Tracker that turns your 0 to 3 ratings into a color map of your month

• A Daily Log and a Weekly Check-In for days you want more detail

• A Hot Flash & Night Sweat Log and a Trigger Tracker to find your patterns

• Sleep and Mood & Energy trackers

• Medications & Supplements and Treatment Progress pages

• Doctor Visit Prep, Appointment Notes and a Test Results Log

• A Monthly Reflection, a Self-Care Menu and notes pages

It comes in US Letter and A4, so you can print it at home, keep it in a binder, or use it on a tablet with an app like GoodNotes or Notability.

Get the Perimenopause Tracker Journal here

A tip for getting started: fill in the Health Snapshot and Symptom Checklist first, then commit to just two minutes a day. Bring two or three months of notes to your next appointment.

When to see a doctor

You don't need to wait until symptoms are unbearable. If perimenopause is affecting your sleep, work, relationships or quality of life, book an appointment. Ideally, see a doctor with an interest in menopause (University of Colorado Anschutz).

Some changes need prompt medical attention, so contact your doctor if you have:

• Very heavy bleeding, for example soaking through a pad or tampon every hour for more than two hours, or bleeding along with dizziness, weakness or a racing heart (University of Colorado Anschutz)

• Bleeding between periods or after sex (MenopauseandU, Society of Obstetricians and Gynaecologists of Canada)

• Any bleeding after you've gone 12 months without a period. This always needs checking, even though the cause is often harmless, because conditions such as endometrial cancer must be ruled out. If you soak through one or more pads in under an hour, go to the emergency department right away (MenopauseandU, SOGC)

• Periods stopping before your early 40s (Cleveland Clinic)

• Low mood, anxiety or hopelessness that lasts more than two weeks or makes it hard to get through your day

If you ever have thoughts of harming yourself, contact a crisis line or emergency services right away. In Canada and the U.S., you can call or text 988.

The bottom line

Perimenopause is a normal stage of life, but that doesn't mean you have to just put up with it. Symptoms are common, they can last for years, and they deserve to be taken seriously. Today there are more treatment options than ever, from hormone therapy to newer non-hormonal medications and talk-based therapies.

The best first step is understanding your own body. Notice what's happening, write it down and bring it to someone who can help. You know yourself better than anyone, and with a clear record you can walk into your next appointment feeling prepared and heard.

This article is for general information only and is not medical advice. Please speak with a qualified healthcare provider about your symptoms and treatment options.