What is menopause? Signs and Symptoms

If you’ve noticed changes in your periods, sleep, mood, or body and wondered, “Is this menopause?” – you’re not alone. Many people are surprised by how early menopause-related changes can begin, and how different they can feel from person to person.

Let’s break down what menopause actually is, when it starts, and the most common signs and symptoms.

What Is Menopause?

Menopause is a natural stage of life that marks the end of menstrual cycles and fertility. It’s officially diagnosed after 12 consecutive months without a period or vaginal bleeding, not due to another medical cause.1  Most people reach menopause in their late 40s to early 50s, with the average age in the United States being 51, but symptoms often start years earlier. (1,3) 

The ovaries are two small organs that release eggs and hormones, including estrogen and progesterone. These hormones regulate menstrual cycles and influence many other body systems, including sleep, mood, body temperature, bones, and vaginal tissue. (1)

As menopause approaches, the ovaries gradually produce less estrogen and progesterone, causing periods to become irregular. Over time, the ovaries stop releasing eggs altogether, estrogen levels remain consistently low, and menstrual periods stop completely – this is menopause. (1,2) Because estrogen affects so many systems, menopause can feel like a whole-body transition. (1,3)

Can Menopause Happen For Other Reasons?

While menopause usually occurs naturally with age, it can also happen earlier or suddenly due to medical causes including: 

• Surgical removal of the ovaries (oophorectomy) stops the body from producing estrogen and progesterone. (1,4)

• Cancer treatments such as chemotherapy or radiation can damage the ovaries and trigger early menopause. (4)

• Primary ovarian insufficiency (POI) occurs when the ovaries stop functioning normally before age 40, leading to lower estrogen levels and irregular or absent periods. (1,4)

Though the causes differ, the symptoms are often similar, and management options are still available.

Perimenopause vs. Menopause vs. Postmenopause

• Perimenopause: The transition phase before menopause when ovaries gradually slow down and hormone levels start to fluctuate. Periods may become irregular, and symptoms like hot flashes, sleep changes, and mood shifts can begin even while periods continue. (2,4)

• Menopause: The point in time when menstrual periods have stopped for 12 consecutive months, without another medical cause. (4)

• Postmenopause: The stage after menopause, lasting for the rest of life. Most symptoms gradually ease, but mild symptoms like hot flashes or vaginal dryness may persist. Low estrogen levels during this stage also increase the risk for conditions such as osteoporosis and heart disease. (2,4)

Common Signs and Symptoms of Menopause

Menopause symptoms vary widely – some people notice only mild changes, while others experience more severe effects (1,4,5). Common symptoms include:  

• Irregular periods: changes in menstrual patterns as hormones fluctuate  

• Hot flashes (vasomotor symptoms): sudden waves of warmth, often causing flushing, sweating, or chills

• Night sweats: excessive sweating during sleep that can soak pajamas or bedding 

• Sleep problems: trouble falling or staying asleep  

• Mood changes: irritability, mood swings, or depression

• Vaginal dryness

• Urinary frequency: the need to pee more frequently 

• Dry skin, dry eyes, dry mouth

• Headaches 

• Weight changes 

• Joint and muscle aches 

• Hair loss

• Changes in libido 

When to Talk to a Provider

If symptoms affect your sleep, mood, relationships, or quality of life, it’s worth consulting a healthcare provider. Menopause isn’t something you have to “just push through.” Management options range from lifestyle strategies to medical therapies, and care should always be individualized.

Menopause is a normal life transition. Symptoms can start earlier than expected, look different for everyone, and change over time. Understanding what’s happening in your body is the first step toward feeling in control and getting support when you need it.

If you're navigating the changes that come with perimenopause or menopause and want to understand your options, a licensed provider on Mochi Health's telehealth platform can help you find the right care for your needs. Check your eligibility here.

References 

1. Santoro N, Roeca C, Peters BA, Neal-Perry G. The Menopause Transition: Signs, Symptoms, and Management Options. The Journal of Clinical Endocrinology & Metabolism. 2020;106(1):1-15. doi:https://doi.org/10.1210/clinem/dgaa764

2. ‌Gracia CR, Freeman EW. Onset of the Menopause Transition: The Earliest Signs and Symptoms. Obstetrics and Gynecology Clinics of North America. 2018;45(4):585-597. doi:https://doi.org/10.1016/j.ogc.2018.07.002

3. ‌Snyder J, Matus C, Landis E, Barry R, Speer L. Management of Menopause Symptoms. Primary care. 2025;52(2):265-276. doi:https://doi.org/10.1016/j.pop.2025.01.001

4. Menopause. Cleveland Clinic Health Library. Updated June 24, 2024. Accessed February 2, 2026. https://my.clevelandclinic.org/health/diseases/21841-menopause 

5. Menopause — Symptoms & Causes. Mayo Clinic. Updated August 07, 2024. Accessed February 2, 2026.https://www.mayoclinic.org/diseases-conditions/menopause/symptoms-causes/syc-20353397