What Are the Stages of Menopause? Perimenopause to Postmenopause
Menopause happens in stages: perimenopause, menopause and postmenopause. Learn what each stage means, common signs, and when to talk to a clinician.
Menopause happens in three broad stages. Perimenopause is the transition, when hormones start to fluctuate and periods change. Menopause is a single point in time: 12 months in a row without a period. Postmenopause is every year after that. Knowing which stage you are in helps you make sense of symptoms and ask better questions.
What is perimenopause, and when does it start?
Perimenopause is the lead-up to your final period. Your ovaries gradually make less estrogen and progesterone, but not in a smooth line. Levels rise and fall, sometimes sharply, which is why this stage can feel unpredictable.
According to the National Institute on Aging, the menopause transition most often begins between ages 45 and 55 and can last several years. Some women notice changes earlier. Every body keeps its own timeline.
Clinicians often describe perimenopause in two parts:
- Early perimenopause. Your cycle is still fairly regular, but its length starts to shift. A period may come a week early or a week late. Some women first notice sleep changes, mood shifts or heavier bleeding here.
- Late perimenopause. Gaps between periods get longer, sometimes 60 days or more. Hot flashes and night sweats often become more common. Sleep may get harder, and vaginal dryness can begin.
You can still get pregnant during perimenopause, so keep using contraception until your clinician tells you it is safe to stop.
What counts as "menopause"?
Menopause is officially reached when you have gone 12 consecutive months without a period, with no other cause such as pregnancy, illness or medication. You only know you have reached it by looking back.
According to The Menopause Society, the average age of menopause in the U.S. is about 51. Menopause before 45 is considered early, and before 40 is considered premature. If your periods stop before 45, that is worth a conversation with a clinician, because it can affect long-term bone and heart health.
Menopause can also happen suddenly after surgery to remove both ovaries, or because of certain cancer treatments. That is called induced or surgical menopause, and symptoms can arrive all at once rather than gradually.
What happens in postmenopause?
Postmenopause begins the day after that 12-month mark and lasts the rest of your life. Hormone levels settle at a new, lower baseline.
For many women, hot flashes ease over time, though some have them for years. Other changes may become more noticeable:
- Vaginal dryness or discomfort with sex
- More frequent urinary urges or infections
- Gradual bone loss, which raises the risk of osteoporosis (learn more from the Bone Health & Osteoporosis Foundation)
- Shifts in cholesterol and heart health
This is a good stage to build habits that protect your bones and heart. Our guide to bone health after menopause walks through the basics.
What are the common signs at each stage?
Symptoms overlap, and no one gets all of them. Here is a general map:
- Early perimenopause: cycle length changes, heavier or lighter periods, new trouble sleeping, irritability or low mood, breast tenderness.
- Late perimenopause: skipped periods, hot flashes and night sweats, sleep disruption, brain fog, vaginal dryness, achy joints.
- Postmenopause: hot flashes that may taper, vaginal and urinary changes, bone density loss, changes in weight distribution.
The Office on Women's Health has a helpful overview of symptoms if you want to compare notes.
How does tracking your symptoms help?
A simple log turns vague feelings into useful information. It helps you see patterns, and it gives your clinician something concrete to work with.
Try tracking for two or three months:
- The first day of each period and how heavy it was
- Hot flashes or night sweats (roughly how many, and when)
- Sleep quality and how many times you woke up
- Mood, energy and focus on a 1 to 5 scale
- Possible triggers, like alcohol, caffeine, stress or spicy food
Bring this to your appointment. "I've had 14 night sweats this month and my period came at 21 days, then 48 days" is far more useful than "I just don't feel like myself."
When should you talk to a doctor?
You don't need to wait for a problem to be severe. Make an appointment if:
- Your periods become very heavy (soaking a pad or tampon every hour or two), last longer than usual, or come closer than 21 days apart
- You have any bleeding after you have reached menopause. This always needs to be checked.
- Your periods stop before age 45
- Hot flashes, sleep problems or mood changes are disrupting work, relationships or daily life
- You feel persistently down, anxious or hopeless
If you want a clinician with extra training in this area, The Menopause Society lists certified menopause practitioners. ACOG also has patient-friendly answers you can read before your visit.
Talk it through with Valerie
Not sure which stage you're in, or how to describe what you're feeling? Valerie, the free AI companion from Her Natural Edge, is available any time of day in English, Spanish and Vietnamese. She explains menopause in plain language and helps you get ready for a real conversation with your healthcare provider. Valerie is not a doctor, but she's a good place to start. Talk with Valerie at Her Natural Edge. And if the men in your life want to understand what you're going through, they can visit Stand In Her Corner.
FAQ
How long does perimenopause last?
It varies widely. For many women it lasts several years, and for some it is shorter or longer. The National Institute on Aging notes that the transition can span many years. Tracking your cycle helps you and your clinician see where you are.
Can a blood test tell me if I'm in perimenopause?
Usually not on its own. Hormone levels swing so much during perimenopause that a single test can be misleading. Clinicians generally rely on your age, your cycle history and your symptoms. Your provider may still order tests to rule out other causes, such as thyroid problems.
Do symptoms stop after menopause?
Some do, some don't. Hot flashes often fade over time, but vaginal dryness and urinary changes can continue or appear later. Talk with your clinician about symptoms at any stage, because help is available.
Is it normal to have hot flashes in my early 40s?
It can happen, since perimenopause starts earlier for some women. Hot flashes can also have other causes. If they are new, frequent or come with other changes, it is worth checking in with your provider.
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