The 4 phases of menopause: Course, duration and signs

Your period comes early one month and late the next, you suddenly wake up drenched in sweat at night, and in the middle of it all there's the question: Is this already menopause, or something else entirely?

Many women don't immediately recognize the first changes as menopause; they tend to blame irregularities on stress or a demanding month. Yet this process unfolds in clearly distinguishable stages that stretch over years, not weeks. If you know which phase you're in, you can make better sense of your own symptoms and notice sooner when a visit to the doctor is worthwhile. In this article, you'll learn how the four phases of menopause differ, how long they typically last, and which signs belong to which stage.

The 4 phases of menopause at a glance

The four phases of menopause are called premenopause, perimenopause, menopause and postmenopause, and they always follow one another in this order. Each phase has its own hallmark by which you can recognize it; the ages given are guidelines, not fixed dates.

When it starts for you also has to do with your predisposition. If you have the opportunity, feel free to ask your mother at what age her menopause began. That's no guarantee, but it's a useful point of reference.

Menopause is a single day: how to tell premenopause and perimenopause apart

Medically, menopause is exactly one point in time, namely your last menstrual period. The tricky part: You only recognize it in hindsight, once twelve months have passed without a period.

In Germany, this day falls on average around the age of 51 or 52 (2). In everyday speech, many people say "I'm in menopause" and mean the whole period around it. That's perfectly fine in conversation, but it causes confusion when you're researching.

In premenopause, the cycle is still largely regular; the first changes are subtle and often not recognized as menopause at all. Perimenopause, on the other hand, is the phase in which things really start to happen: It usually begins a few years before the last period and extends one year beyond it. By the way, not all sources use the term premenopause in the same way; some simply mean the entire fertile period before it. So if you come across contradictory information, that's often exactly why.

In short: The prefix "peri" comes from Greek and means "around". Perimenopause is therefore the time around the last menstrual period, meaning before it and the year after.

Why estrogen and progesterone shape the course

Behind all four phases are two hormones from the ovaries: estrogen and progesterone. They don't decline at the same time, and that's exactly what explains why each phase feels different.

In premenopause, progesterone is the first to decline. It is produced after ovulation by the corpus luteum (the remnant of the follicle that stays behind in the ovary after ovulation). When ovulation happens less often, progesterone is lacking too, while estrogen is still normal or at times even elevated. The cycle gets shorter, and some women feel more irritable before their period than they used to.

In perimenopause, things get turbulent. Estrogen rides a roller coaster, sometimes high, sometimes low. The brain tries to compensate by releasing more messenger substances for the ovaries. These fluctuations are the reason why some weeks feel completely normal and others don't at all.

With menopause, the ovaries stop maturing eggs, and the estrogen level drops permanently. In postmenopause, it stays at this lower level, and the body gradually gets used to it. Incidentally, the body continues to produce a little estrogen, for example in fatty tissue.

If you want to learn more about hormones and weight, this article might interest you: the hormonal causes of weight gain.

Which signs belong to which phase

Early on, changes to the cycle are the main sign. In the middle, many women also experience hot flashes and restless sleep. After the last period, most of it settles down again.

Important up front: The onset and course vary greatly from woman to woman. Some have a regular cycle right up to their last menstrual period, while others experience a rhythm of three to four months for years (1).

In the early stage, the first thing most women notice is that their period comes a little earlier or the bleeding feels different, sometimes heavier, sometimes lighter. Breast tenderness or thinner skin before your period are also nothing unusual in this phase. In the middle, that is, in perimenopause, the cycle becomes unpredictable, and many women start to experience the well-known hot flashes, often accompanied by night sweats.

If you wake up several times a night, you'll naturally be more tired and more thin-skinned during the day, which is why sleep and mood are closely linked during this time.

After the last period, hot flashes become less frequent over time. On the other hand, the lower estrogen level can make itself felt in other ways, for example through drier mucous membranes. Not every woman experiences all of this; some notice almost nothing. Both are normal.

Where am I, and when is it worth seeing a doctor?

Your cycle is the best compass for roughly figuring out where you are. If your period still comes reliably but is changing slightly, a lot points to premenopause. If it becomes irregular and sometimes stays away for months, you're probably in perimenopause. And if twelve months have passed without a period, menopause is behind you and you've arrived in postmenopause.

An appointment with your gynecologist makes sense if the changes start very early. If menopause occurs before the age of 40, experts speak of premature menopause, climacterium praecox. This can be caused, for example, by premature ovarian insufficiency, which should be monitored by a doctor.

A second clear reason: any bleeding that occurs again after menopause. It should always be checked, even though there's usually a harmless cause behind it. The same applies to very heavy or noticeably long bleeding during perimenopause and to symptoms that noticeably slow you down in everyday life. You're not going to the doctor "for nothing".

A special case is menopause after surgery in which both ovaries are removed. Then the hormones are gone from one day to the next, and the phases don't unfold one after another. This is usually discussed with the doctors before the procedure.

For orientation on the overall duration: Some women feel that their menopause is over after just three years, while others describe more than ten years (2). How long it lasts for you depends on your predisposition and your very own hormonal course.

What you can do for yourself

The biggest levers in everyday life are exercise, sleep and nutrition. You won't control the course itself with them, but you can make sure you feel as good as possible during this time.

Regular exercise is good for you in every phase, and strength training is welcome too, because muscles and bones benefit from being challenged. If hot flashes wake you up at night, a cool bedroom and clothing in layers that you can quickly take off help. Some women also notice that alcohol in the evening or very spicy food tends to fuel hot flashes. Simply try out what makes a difference for you.

On your plate, what matters most is a balanced, varied diet, which often already covers a lot. If you want to learn more about food in this phase of life, this article might interest you: nutrition tips for menopause.

A food supplement doesn't make sense for everyone and is no substitute for a varied diet. If you take medication regularly, discuss taking it beforehand with your doctor or at the pharmacy so that possible interactions can be clarified.

Advertisement: At CLAV, we developed N°23 Meno Balance for the menopause years. Vitamin B6 contributes to the regulation of hormonal activity. Iron, folic acid and B12 contribute to the reduction of tiredness and fatigue. In addition, there are plant extracts, for example from yam root and red clover. If your cycle is still regular, POWER Hormone Balance for women is an option geared to the female cycle that contains iron, folic acid and vitamin B12.

View the product

Your menopause, your pace

The four phases are not a checklist. They form a timeline on which every woman has her own pace, and that's exactly why averages rarely fit you exactly. A good next step: For a few months, casually note when your period comes and how you sleep. A brief word about how you feel is enough as an addition. You don't have to judge anything; the notes simply help you recognize patterns and are worth their weight in gold at your next doctor's appointment. If you have bleeding after menopause, very early changes before 40 or distressing symptoms, seek medical advice.

Sources

FAQ: Common questions about the phases of menopause

Can I still get pregnant during perimenopause?

Yes. As long as ovulation still occurs, pregnancy is possible, even with an irregular cycle. It's best to discuss with your gynecologist how long you need contraception, because menopause is only confirmed after twelve months without a period.

Can the current phase be determined with a blood test?

Rarely clearly. In perimenopause, hormone levels fluctuate so much that a single value is only a snapshot. Doctors usually go by age, cycle pattern and symptoms; a blood test is more helpful for ruling out other causes, such as a thyroid disorder.

Do the symptoms stop completely after menopause?

In most cases they become significantly milder once the hormonal balance has leveled off after a few years. Hot flashes become less frequent over time, while dry mucous membranes can persist. There are good treatment options for this, so feel free to bring it up openly at your doctor's office.