The 3 Stages of Menopause: What to Expect at Every Step

Menopause is a natural part of aging, but that doesn't mean it always feels simple or predictable. Many describe this time as confusing, surprising, or overwhelming. If you've ever wondered, "Is this perimenopause?" or "When will this rollercoaster end?", you're definitely not alone.

Most people experience the menopause transition between ages 45-55, and the changes often unfold slowly over many years. As the ovaries run out of eggs, they produce less estrogen and progesterone, which eventually leads to the end of your monthly menstrual periods.

You don’t wake up one day "in menopause". Instead, it’s a gradual transition that happens in three main stages: perimenopause, menopause, and postmenopause. These phases are shaped by shifting estrogen levels, changes in your cycle, and symptoms like hot flashes and night sweats, vaginal dryness, mood changes, or sleep struggles.

Every person experiences menopause differently, but understanding what's happening can help you feel more prepared and more in control.

Throughout this website (and in many other places), the word “menopause” is often used to describe the entire menopausal transition, not just the moment your period stops.

Stage 1: Perimenopause

Perimenopause is the first and often the longest stage. It begins when your hormone levels start to shift, often several years before your final period. For many, this is the stage when symptoms show up and life starts to feel...different.

During perimenopause, irregular periods can become common. Your period might come earlier or later, and be lighter or heavier. 

As you get closer to menopause, you may skip periods or go months between them.

This is also when you may start to experience menopausal symptoms, including:

• Hot flashes and night sweats.
• Mood swings or irritability.
• Sleep problems.
• Vaginal dryness.
• Lower libido.
• Brain fog or difficulty concentrating.

The average age of perimenopause is around 47, but some people experience it earlier.

Curious to know more?

Stage 2: Menopause

Menopause itself is one single point in time — the moment when it has been12 months since your last menstrual period. That means no bleeding or spotting for a full year.

In the U.S. the average age of menopause is 51 years old. Learn more.

Shifts in estrogen and progesterone tend to level out, but many people still feel symptoms during this time. While the transition can be challenging, it can also bring relief from unpredictable cycles and a better understanding of how to manage symptoms.

Stage 3: Postmenopause

Postmenopause starts after the 12-month mark and lasts for the rest of your life. At this stage:

• Hormone levels remain low.
• Pregnancy is no longer possible.
• Menstrual cycles stop permanently.

Because hormone levels stay low, health risks can change. Many women have a higher risk of cardiovascular disease (heart disease), osteoporosis, and other age-related conditions. Some symptoms, like hot flashes or vaginal dryness, may continue into early postmenopause or longer.

The first 2-6 years after menopause are called early postmenopause. Even though hormone levels drop significantly, they can still shift slightly, which is why some people continue to experience symptoms for years after their final period.

Other causes or types of menopause

Not all women follow the typical timeline. Some may experience:

Surgical menopause

Surgical (induced) menopause is when the surgical removal of both ovaries causes an immediate drop in hormones. In this situation, a person will develop menopausal symptoms immediately after surgery. They will not go through the standard perimenopause process. Symptoms may appear suddenly and more intensely because estrogen levels drop right away.

Early menopause

Early menopause is when menopause happens between age 40-45. Causes can include genetics, autoimmune conditions, or medical treatments like chemotherapy or radiation therapy for cancer.

Primary ovarian insufficiency (POI)

POI (also known as premature ovarian failure) can lead to menopause occurring before age 40. It may be related to genetics, autoimmune disease, or unknown factors and requires an evaluation with a specialist (like an endocrinologist).

If you’re experiencing any of the symptoms mentioned above (at any age) or have any other questions or concerns, talk to your doctor. They can help pinpoint what's happening, rule out any other causes, and offer ways to help you manage symptoms and feel more like yourself again.

If you have specific questions about perimenopause or menopause and want to talk to a menopause care provider, consider setting up a virtual appointment with one of the telehealth providers in our Menopause Care Directory.