A smiling woman in a purple shirt

Girl, It's Not You. It's Perimenopause.

Women's Health · Hormones

It can start in your early 40s, last up to a decade, and show up as everything from heart flutters to itchy skin. Here’s what’s normal, what’s not, and how to get the care you deserve.

7-minute read

You’re sleeping badly. Your period showed up early, then not at all. You walked into a room and forgot why. Your joints ache, and you’re more anxious than you’ve been in years.

It’s easy to blame stress, a busy season, or getting older. But for many women in their late 30s and 40s, these changes have a name: perimenopause.

Most of us were taught that menopause means hot flashes in your 50s. Nobody mentioned the years before it, when hormones start to shift and the signs are far more varied. So let’s talk about it, sister to sister.

“Menopause, like puberty, doesn’t happen overnight.”

Erica T. Wang, MD, MAS, reproductive endocrinologist, Cedars-Sinai1

First, what is perimenopause?

Perimenopause is the transition before menopause, when your ovaries gradually make less estrogen and your cycle becomes less predictable. It ends at menopause, which doctors confirm once you’ve gone 12 months in a row without a period.2

By the numbers

The timeline, made simple

  • Mid-40s

    The typical age perimenopause begins, though it can start earlier.2

  • 4–10 years

    How long the transition usually lasts.2

  • 12 months

    Without a period is when menopause is officially reached.2

  • 7.4 years

    The median length of frequent hot flashes and night sweats in a major U.S. study.5

  • 4.5 years

    How long those symptoms often continue after the final period.5

That 7.4-year figure comes from the Study of Women’s Health Across the Nation (SWAN), which has followed more than 3,000 women through midlife since the 1990s.5 It’s a good reminder: this isn’t a quick phase you push through. It’s a real stretch of your life, and you deserve support during it.

15 signs to know, including the ones nobody talks about

Hot flashes get all the attention. But estrogen affects nearly every part of the body, so the signs can show up in places you’d never connect to your cycle.

“Women experience a broad range of symptoms during the perimenopausal transition.”

Jessica L. Chan, MD, reproductive endocrinologist, Cedars-Sinai1

Your cycle

  1. 1
    Irregular or skipped periodsPeriods may come more or less often, or skip a month. Often the first sign.23
  2. 2
    Heavier or lighter bleedingthan you’re used to.24

Temperature & sleep

  1. 3
    Hot flashes and night sweatsA sudden wave of heat, often with sweating and a flushed face.2
  2. 4
    Trouble falling or staying asleepsometimes made worse by night sweats.4

Mind & mood

  1. 5
    Mood swings and irritability2
  2. 6
    Anxiety or low moodeven if you’ve never struggled with either before.34
  3. 7
    Brain fogTrouble focusing, forgetting words, losing your train of thought.24

Vaginal & urinary health

  1. 8
    Vaginal dryness, itching or painful sexplus changes in sex drive.234
  2. 9
    UTI-like symptoms or leakingBurning when you pee, going more often, or leaking when you laugh or sneeze.24

The surprising ones

  1. 10
    Heart palpitationsA heartbeat that feels faster, slower or more noticeable.14
  2. 11
    Joint and muscle aches34
  3. 12
    Headachesor migraines that are worse than usual.24
  4. 13
    Sore or tender breasts3
  5. 14
    Weight gain around your middle4
  6. 15
    Dry, itchy skin and thinning hairYour nails, eyes and scalp can feel drier too.14

You won’t have all of these, and some women have very few. What matters is noticing a pattern of changes, especially alongside a cycle that’s starting to shift.

A gentle note: palpitations, anxiety and urinary symptoms can have other causes too. That’s exactly why they’re worth bringing to your provider instead of guessing.

Every woman’s timeline is different

Some women notice changes in their late 30s. Others barely notice anything until their final period. And for many, symptoms don’t fade quickly: in SWAN, frequent hot flashes and night sweats lasted a median of 7.4 years, and more than half of the women had them for longer than that.5

Timing and symptoms can also vary with your health, your family history, and your background. Researchers have found that menopause can arrive earlier, and hot flashes can last longer, for some groups of women, including Black women.56 It’s one more reason to measure your experience against your own normal, not anyone else’s.

What shouldn’t vary is the care you get. Too many women are told their symptoms are just stress or just age, and learn to push through in silence.

“That’s not normal. And just because you’re 50 years old, don’t accept that.”

Sharon Malone, MD, OB-GYN and chief medical officer, Alloy Women’s Health7

Feeling better is a reasonable thing to ask for, at 42 or at 52.

A doctor consulting with a patient in a medical office
Bring your symptom notes. They turn “I just feel off” into a plan. Photo: Vitaly Gariev / Unsplash

When to call your doctor

Changing periods are expected during perimenopause. Some bleeding changes still need a check, because they can point to other conditions.8

“Anything that trends toward heavy bleeding should be discussed with your doctor.”

Pelin Batur, MD, menopause specialist, Cleveland Clinic8

Yes, you can still get pregnant

Until you’ve reached menopause, pregnancy is still possible, even with irregular periods. If you don’t want to get pregnant, keep using contraception and ask your provider about your options.3

Treatment has changed

You don’t have to just ride it out. Options range from lifestyle changes to non-hormonal medications to hormone therapy.3

The Menopause Society says that for most healthy women with symptoms who are under 60 and within 10 years of menopause, the benefits of hormone therapy outweigh the risks. It’s most effective for hot flashes, vaginal and urinary symptoms, and protecting bones.9

In November 2025, the FDA also moved to remove the long-standing “black box” warning about heart disease, breast cancer and dementia from most menopause hormone products.10 A warning about endometrial (uterine) cancer stays on estrogen-only products.10 Hormone therapy isn’t right for everyone, so the best path is a personal conversation with a provider who knows your history.

What you can do, starting this week

  1. Track your symptoms.

    Note your cycle dates, sleep, mood, hot flashes and anything new. A few months of notes turns “I just feel off” into a clear picture your provider can act on.

  2. Protect your sleep.

    Sleep with fewer blankets.11 A cool room and a glass of water by the bed can help on night-sweat nights too.

  3. Dress for hot flashes.

    Wear layers you can take off quickly, and choose natural fabrics such as cotton, which Michigan Medicine recommends for hot flashes.11 It’s one of the reasons we make Puure from breathable organic cotton, starting with the layer closest to your skin.

  4. Move, eat well, and manage stress.

    Regular exercise, healthy eating, good sleep and stress management can ease perimenopause symptoms.3

  5. Ask for real care.

    If your symptoms are affecting your life, book an appointment, and if you feel brushed off, get a second opinion.7

“You need to know how to advocate for yourself and how to say, ‘I deserve to feel better.’”

Sharon Malone, MD7

You’re not imagining it

Perimenopause is one of the most common transitions in a woman’s life, and one of the least talked about. That silence is why so many of us spend years thinking something is wrong with us, when really, our bodies are doing exactly what they were built to do.

At Puure, we believe knowing your body is a form of self-care. That means saying the real words, asking the real questions, and refusing to suffer quietly.

Four women talking and laughing at a cafe table
Photo: LinkedIn Sales Solutions / Unsplash

Send this to the women in your life who are in their late 30s, 40s or 50s. Your sister, your best friend, your mom, your group chat. Someone needs to hear that what they’re feeling has a name.

Next week on the Puure blogWhy your underwear may be affecting your health.

This is education, not medical advice. Talk to your provider about your body.

References

  1. Bieber A. “Perimenopausal Symptoms: What You Should Know.” Cedars-Sinai, September 26, 2024. cedars-sinai.org.
  2. NewYork-Presbyterian. “Perimenopause Symptoms.” Medically reviewed by Susan E. Loeb-Zeitlin, MD, FACOG. nyp.org.
  3. healthdirect Australia (Australian Government). “Perimenopause.” healthdirect.gov.au.
  4. NHS (UK National Health Service). “Symptoms: Menopause and Perimenopause.” nhs.uk.
  5. Avis NE, Crawford SL, Greendale G, et al. “Duration of menopausal vasomotor symptoms over the menopause transition.” JAMA Internal Medicine, 2015;175(4):531–539. PMID 25686030. Summary: Black Health.
  6. Harlow SD, et al. Review of Black women’s midlife health in SWAN. Women’s Midlife Health, 2022. doi.org/10.1186/s40695-022-00073-y. Summary: University of Michigan School of Public Health.
  7. White C, Marshall M. “‘Our Elders Have Modeled Suffering’: Candid Panel Pushes Back on Health Myths, Shame for Black Women.” HealthCity, Boston Medical Center, August 8, 2025. healthcity.bmc.org.
  8. Cleveland Clinic. “When to See a Doctor for Menopause.” health.clevelandclinic.org.
  9. The North American Menopause Society (now The Menopause Society). “The 2022 hormone therapy position statement.” Menopause, 2022. Press release, July 7, 2022: menopause.org.
  10. Urology Times. “FDA removes warning labels on hormone replacement therapy,” November 10, 2025. urologytimes.com.
  11. Michigan Medicine Health Library. “Hot Flashes and Menopause.” uofmhealth.org.

Photos: Balaji Malliswamy, Vitaly Gariev and LinkedIn Sales Solutions on Unsplash.

Back to blog