What Is Perimenopause? Signs, Symptoms and What to Do Next

May 30, 2026

You're not imagining it.

The sleep that suddenly feels impossible. The anxiety that appears out of nowhere. The brain fog, the mood swings, the skin that doesn't quite feel like yours anymore. The periods that are irregular in a way they've never been before.

If any of this sounds familiar, and you're somewhere in your late 30s or 40s, there's a good chance your body is already moving through one of its most significant transitions: perimenopause.

And yet, most women have no idea it's happening to them.

Not because the signs aren't there. But because nobody told them what to look for.

That changes today.

What Is Perimenopause?

Perimenopause is the transitional phase leading up to menopause, the period of time when your body gradually begins to produce less estrogen and progesterone, the two hormones that have governed your reproductive cycle since puberty. These hormonal changes originate in the ovary.

It's not menopause itself. Menopause is a single moment in time, the point at which you've gone 12 months without a period. Perimenopause is everything that leads up to it. The transition. The shift. The years your body spends moving from one chapter to the next.

And it can be a long journey.

What Age Does Perimenopause Start?

One of the most common questions women ask is: when does perimenopause start?

The answer varies more than most people realize.

For most women, perimenopause begins somewhere between the ages of 40 and 44. But perimenopause age can range quite widely, some women begin to notice changes as early as their mid-30s, while others don't experience any shifts until their late 40s. Some women may also notice changes in bleeding patterns during this time.

On average, perimenopause starts around age 47. But your experience will be shaped by a number of individual factors including genetics, lifestyle, stress levels, and overall health.

A useful rule of thumb: if your mother went through early perimenopause, there's a reasonable chance you will too.

How Long Does Perimenopause Last?

This is where many women are surprised.

Perimenopause isn't a brief transition. On average, how long perimenopause lasts is around 4 to 8 years, though for some women it can be as short as a year, and for others it can extend to 10 years or more.

The duration depends on when it starts, how your hormones shift, and how your body responds to those changes. Women who enter perimenopause earlier tend to have longer transitions. Women who enter later tend to have shorter ones.

What this means practically: the symptoms you're experiencing now may be with you for years, which makes understanding and managing them not just useful, but essential.

Signs of Perimenopause to Watch For

Because perimenopause unfolds gradually, its signs are easy to miss, or to attribute to stress, poor sleep, or simply "getting older." Here are the most important signs of perimenopause to be aware of:

Irregular Periods

This is often the first and most telling sign. Your cycle may become shorter, longer, heavier, lighter, or simply unpredictable. Skipping a period entirely, and then having two close together, is common. Any significant shift in your cycle after years of regularity is worth paying attention to.

Sleep Disruption

Difficulty falling asleep, waking in the night, or waking early and being unable to go back to sleep are all classic perimenopause symptoms. Declining progesterone levels directly affect sleep quality, and this disruption often begins well before other symptoms appear.

Mood Changes and Anxiety

Hormonal fluctuations during perimenopause have a direct impact on serotonin and dopamine, the neurotransmitters responsible for mood regulation. Many women experience heightened anxiety, irritability, low mood, or emotional reactivity that feels out of proportion to what's happening in their lives. This isn't a mental health crisis. It's a hormonal one.

Brain Fog

Difficulty concentrating, forgetting words mid-sentence, losing track of thoughts, brain fog is one of the most commonly reported yet least talked about perimenopause symptoms. Estrogen plays a key role in cognitive function, and as levels fluctuate, mental clarity can suffer.

Hot Flashes and Night Sweats

Hot flashes are perhaps the most well-known symptom of perimenopause, a sudden wave of heat, often accompanied by flushing and sweating, that can last anywhere from a few seconds to several minutes. Night sweats are the nocturnal version, and can significantly disrupt sleep.

Vaginal Dryness and Intimate Discomfort

As estrogen declines, the tissues of the vagina and vulva become thinner and less lubricated, a condition known as vaginal atrophy. This can cause dryness, irritation, discomfort during sex, and increased sensitivity. It's one of the most undertreated perimenopause symptoms, partly because women feel uncomfortable raising it.

Skin Changes

Estrogen plays a significant role in maintaining skin hydration, elasticity, and collagen production. As levels drop, skin can become noticeably drier, thinner, and more reactive, particularly for women who've never had sensitive skin before.

Changes in Libido

A decrease in sexual desire is common during perimenopause, driven by fluctuating hormone levels, physical discomfort, sleep deprivation, and mood changes. It's normal, and it's addressable.

What Are the 34 Symptoms of Perimenopause?

You may have come across the phrase "the 34 symptoms of perimenopause", a comprehensive list that captures the full range of physical, emotional, and cognitive changes women can experience during this transition.

Beyond the most commonly discussed symptoms, the full list of perimenopause symptoms includes:

Headaches and migraines
Heart palpitations
Dizziness and vertigo
Tingling in the hands and feet
Electric shock sensations
Bloating and digestive changes
Joint pain and stiffness
Muscle tension
Hair thinning or loss
Changes in body odor
Dry eyes and mouth
Itchy skin
Fatigue and low energy
Memory lapses
Difficulty concentrating
Depression and low mood
Panic attacks
Allergies and sensitivities
Weight gain, particularly around the abdomen
Changes in breast tissue
Gum and dental changes
Osteoporosis risk increase
UTIs and bladder sensitivity
Irregular heartbeat
Loss of confidence and self-esteem

The breadth of this list explains why perimenopause is so frequently misdiagnosed, or missed entirely. Many of these symptoms are treated individually, without ever connecting them to the hormonal root cause.

Can You Get Pregnant During Perimenopause?

This is one of the most important, and most misunderstood, questions about this transition.

Yes. You absolutely can get pregnant during perimenopause.

Until you have reached full menopause, defined as 12 consecutive months without a period, you are still ovulating, at least occasionally. Even with irregular menstrual cycles, unpredictable ovulation can and does occur.

In fact, unintended pregnancies in perimenopause are more common than most women expect. If you are not trying to conceive, contraception remains necessary throughout the perimenopausal transition, regardless of changes to your menstrual cycle.

This is an important conversation to have with your healthcare provider, particularly as some contraceptive methods also offer benefits for managing perimenopausal symptoms and menstrual changes.

Signs Perimenopause Is Ending

After years of transition, how do you know when perimenopause is coming to a close?

The most reliable signs perimenopause is ending include:

Periods becoming increasingly infrequent, gaps of 60 days or more between cycles
Hot flashes and night sweats may briefly intensify before subsiding
Hormonal symptoms begin to stabilize, the emotional and physical fluctuations become less dramatic
Periods eventually stop altogether, once you reach 12 consecutive months without a period, you have officially reached menopause

It's worth noting that some symptoms, particularly vaginal dryness, skin changes, and sleep disruption, can continue well into postmenopause if not actively addressed.

What to Do Next: Supporting Your Body Through Perimenopause

Understanding what's happening is the first step. Supporting your body through it is the next.

Here's what genuinely helps:

Prioritize Magnesium

Magnesium deficiency is extremely common in perimenopausal women, and it dramatically affects sleep, mood, muscle tension, and hormonal balance. A regular magnesium bath soak is one of the most effective and enjoyable ways to replenish magnesium transdermally, bypassing the digestive system for direct absorption.

Focus on Skin Nourishment

Hormonal changes during perimenopause directly affect skin hydration and elasticity. Switching to clean, hormone-free products that actively support the skin barrier, rather than stripping it, makes a measurable difference.

Build a Real Self-Care Ritual

Perimenopause is not the time for rushed, performative self-care. It's a time for genuine, intentional restoration. A bath ritual, particularly one built around magnesium-rich Dead Sea salts and calming botanical oils, supports the nervous system, eases muscle tension, improves sleep quality, and nourishes skin all at once.

Talk to a Healthcare Provider

If your symptoms are significantly affecting your quality of life, please speak to a doctor or menopause specialist. Hormone therapy, lifestyle interventions, and targeted supplements have all shown real benefit, but the right approach depends on your individual health picture.

How Glissant Supports Women Through Perimenopause

At Glissant, every product is formulated by a female physician who understood, from both a clinical and personal perspective, what perimenopausal women actually need.

Ritual Rosé – Magnesium + Botanicals Bath Salts was created specifically for this transition. Powered by magnesium-rich Dead Sea salts, Pink Himalayan Salt, Rose Oil and Geranium Oil, it supports the nervous system, nourishes hormonally changing skin, eases muscle tension, and creates a genuine moment of restoration in the middle of what can feel like a very disorienting time.

Clean. Hormone-free. Paraben-free. Made in the USA.

Because your body deserves support that actually works, not just something that smells nice.

Explore Glissant's full collection at Glissant Love. Made for women who deserve better.