Menopause 101

Menopause is a significant life transition that involves a myriad of changes, both physically and emotionally. On this journey, being well-informed is crucial. Knowing what to expect, understanding potential symptoms, and having effective management strategies are key to navigating this transition with confidence. Menopause 101 supports you in this process by detailing information on the definition, causes, duration, stages, symptoms, impacts, treatment, and management of menopause.

Menopause (also known as climacteric), a natural biological process experienced by women typically between the ages of 45 and 55, is a significant life stage marked by the cessation of menstrual cycles and hormonal changes. It is a universal phenomenon affecting every woman (excluding females who have had both ovaries surgically removed before puberty) who reaches a certain age and is your body’s way of signaling the end of fertility.

Menopause results from the loss of ovarian follicular function and a decline in circulating blood estrogen levels. It can be naturally occurring, occur due to premature ovarian insufficiency (POI), which can lead to premature menopause, or be induced by surgical and medical interventions.

Menopause involves three stages: perimenopause, menopause, and postmenopause. Perimenopause is the transitional period leading to menopause, characterized by irregular menstrual cycles and fluctuating hormone levels. Menopause is confirmed when a woman has not had a period for 12 consecutive months. Postmenopause refers to the years following menopause.

Hormonal changes during menopause can lead to symptoms like hot flashes, weight gain, mood changes, disrupted sleep, low sexual drive (libido), and several health consequences and risks. Natural pregnancy is no longer possible following menopause.

Lower than normal levels of estrogen are called hypoestrogenism, or estrogen deficiency. Hypoestrogenism is found in women with amenorrhea (absence of menstrual periods) and POI, and those who are postmenopausal.

While menopause is a natural process and not a medical condition that can be cured, various options are available to prevent, treat, and manage symptoms.

The causes of menopause include naturally occurring menopause, Primary Ovarian Insufficiency (POI) (also called Premature Ovarian Insufficiency and Premature Ovarian Failure), which can lead to premature menopause, and induced menopause, which can result from surgical or medical intervention.

Naturally occurring menopause typically occurs between 45 and 55 years, initiated when the ovaries cease producing eggs. This results in lower levels of estrogen and progesterone, the hormones that regulate menstruation. Early menopause occurs between 40 and 45 years, and can occur naturally or be induced. Late menopause occurs after 55 years, and can also occur naturally, or related to medical conditions or treatments affecting hormonal balance.

Menopause can occur prematurely in some women because of POI. In POI, the ovaries fail to produce normal levels of reproductive hormones, leading to premature menopause before 40 years. This condition, while uncommon, can be spontaneous or associated with health conditions like autoimmune disorders or chromosomal defects. Premature menopause can also be induced.

Induced menopause can occur following surgical interventions such as a bilateral oophorectomy or a radical hysterectomy (when it includes removal of the ovaries) or medical interventions such as certain chemotherapies and radiation therapies, including pelvic radiation, resulting in iatrogenic ablation of ovarian function. These interventions can induce menopause abruptly due to removing or damaging reproductive organs. The symptoms and health risks associated with induced menopause are typically more severe because of the sudden halt in hormone production, particularly for women under the typical menopause age.

To learn more, visit the Causes of Menopause page.

Menopause typically starts between 45 and 55 years, with the average age for naturally occurring menopause at 51 in the United States.

The timing of menopause varies widely among women. Some may begin experiencing perimenopausal symptoms as early as in their late 30s or early 40s. For other women, menopause may not begin until their late 50s.

Menopause is a unique experience. The age at onset and progression of symptoms varies individually, culturally, and globally. For example, menopause can occur earlier for women who smoke, live at high altitudes, are malnourished, have autoimmune diseases, or are of Hispanic or Black race.

Menopause, marking the end of menstrual cycles, begins with perimenopause, where estrogen production decreases, leading to irregular menstrual cycles. This transitional phase typically lasts between two to eight years, averaging around four years, and it can be over ten years for some women.

Menopause is confirmed after 12 consecutive months without a menstrual period, including spotting, transitioning into postmenopause, which lasts for the rest of a woman’s life.

Duration can depend on many factors, including the starting age of menopause, lifestyle factors such as smoking, and race as Hispanic and Black women may experience symptoms longer than Chinese, Japanese, and White women.

During your reproductive years, hormones essential for ovulation are typically balanced, and menstrual cycles are regular. This period, called premenopause, lasts from puberty, or your first menstrual cycle, to perimenopause, the first stage of menopause. The remaining menopause stages are menopause and postmenopause.

Perimenopause (also called menopause transition or menopausal transition) is the transition to menopause, typically beginning between 45 and 55 years. Hormonal fluctuations, irregular menstrual cycles, and initial menopausal symptoms such as hot flashes mark this stage. Perimenopause can range from two to eight years, averaging around four years.

Menopause is when you have not had a menstrual period for 12 consecutive months (also called amenorrhea), including spotting. Symptoms can intensify during this period, and hormonal changes typically lead to physical, cognitive, and emotional changes.

Postmenopause follows menopause, and you are then postmenopausal for the remainder of your life. During this stage, your ovaries produce significantly less estrogen, and symptoms gradually decrease. There is a shift from treating and managing symptoms to preventing health risks associated with reduced estrogen like osteoporosis. Many women experience this stage as a liberating and fulfilling time of their life, free from the concerns of menstruation and conception.

To learn more, visit the Stages of Menopause page.

During the three stages of menopause, your ovaries experience significant shifts. Ovaries cease producing high levels of estrogen and progesterone, hormones that control menstruation, prepare your body for pregnancy, and maintain bone health.

Women have estrogen receptors in all areas of their body. Estrogen plays a protective role in safeguarding the cardiovascular system, bones, brain, vaginal and bladder tissues, and many other functions. As estrogen levels decline, the body’s ability to regulate calcium and cholesterol is affected, leading to increased risks of health conditions such as osteoporosis and cardiovascular disease.

In naturally occurring menopause, the hormonal changes are gradual, often occurring over several years. The brain compensates by increasing the production of Follicle-Stimulating Hormone (FSH) to stimulate the ovaries, resulting in fluctuating hormone levels. This gradual hormonal decline is the catalyst for a range of physical, cognitive, and emotional changes, marking the body’s transition into a new phase of life.

These hormonal shifts culminate in the cessation of menstrual cycles and ovulation, effectively ending natural fertility. They are also the root cause of menopausal symptoms like hot flashes and joint pain.

Transitioning into menopause, you may notice various signs and symptoms, most notably changes in menstrual patterns. These changes can manifest as irregular periods, a heavier or lighter flow, shorter or longer periods, and worsening Premenstrual Syndrome (PMS).

While menstrual cycle changes are a natural part of the perimenopausal transition, consult a healthcare professional where abnormalities are experienced, such as a period arriving more frequently than every three weeks, a significantly heavier flow than usual, blood between periods, and blood after being diagnosed with menopause.

Besides menstrual changes, other signs, and symptoms may include vasomotor symptoms such as hot flashes and night sweats, vaginal dryness, urinary issues, mood changes, sleep disruption, and memory problems.

Women experiencing such signs and symptoms should consult their healthcare professional as they may be due to other related conditions such as thyroid disorders, Polycystic Ovary Syndrome (PCOS), endometriosis, ovarian cancer, adrenal insufficiency, hormone-secreting tumors, and others.

Last, it can be challenging to identify that perimenopause may be causing experienced signs and symptoms, so discussing these with a healthcare professional is recommended.

Because of the high number of hormonal changes during menopause, most women will experience symptoms related to one or more of these categories: Physical and Physiological; Genitourinary Syndrome of Menopause (GSM); Cognitive and Thinking; and Mood and Psychological.

Physical and Physiological symptoms include vasomotor symptoms such as hot flashes and night sweats, disrupted sleep, changes in menstrual patterns, weight gain, joint pain, headaches, and a range of changes to areas on the body such as breasts, skin, and hair, as well as changes to bodily functions such as digestion, heart rate, and breathing.

GSM, encompassing sexual, urinary, and vaginal symptoms, is characterized by low libido, painful intercourse, urinary infections, urinary incontinence, and a dry, inflamed and painful vagina and vulva, and among other symptoms.

Cognitive and Thinking symptoms relate to attention, focus and memory, including concentration difficulty, inattentiveness, postmenopausal confusion, or brain fog, memory impairment, and recall impairment.

Mood and Psychological symptoms include mood, thought and behavior changes, like anxiety, depression, malaise, mood swings, low self-esteem, irritability, and low energy or lethargy.

Menopause symptoms vary in intensity and duration for each woman. Some may experience severe symptoms, while others transition through menopause with minimal discomfort. Many symptoms experienced during perimenopause become less frequent and intense following menopause. And while many postmenopausal symptoms may be related to aging, hormonal fluctuations and decreases in estrogen can worsen them. This decrease in estrogen negatively affects the reproductive tract, urinary tract, skin, bones, and cholesterol levels. These impacts pose associated risks and may worsen without proactive and reactive measures.

To learn more, visit the Symptoms of Menopause page.

To diagnose menopause, healthcare professionals typically rely on a woman’s self-reported symptoms and changes in her menstrual cycle. The retrospective diagnosis is commonly confirmed once you have missed your period for 12 consecutive months with no other suspected cause.

Healthcare professionals may use Quality-Of-Life (QOL) scales to assess symptom severity and quality-of-life impact. These scales help to capture the multi-dimensional nature of menopausal symptoms and provide valuable information for personalized management plans.

Further investigations may be necessary for some women, particularly those with irregular periods or who are on certain medications. These investigations may include a blood test to measure hormone levels such as FSH and estradiol—a major form of estrogen. An elevated FSH and a low estradiol level often suggest menopause. Other conditions, such as thyroid disease or vitamin deficiencies, can mimic menopause symptoms. As such, healthcare professionals may rule these conditions out with other tests before confirming a diagnosis of menopause.

Keeping track of menstrual cycle patterns and experienced symptoms helps healthcare professionals determine whether you are perimenopausal or nearing menopause.

Asking healthcare professionals questions is an empowering and vital component of the menopause journey. Knowing what to expect and the reasons behind what is being proposed or completed can provide peace of mind and facilitate smooth interactions and an overall experience.

To learn more, visit the Diagnosis of Menopause page.

The rapid decline in estrogen during menopause, which protects your cardiovascular system, bones, brain, and vaginal and bladder tissues, can lead to a range of impacts, namely consequences and risks.

Consequences include bone density loss, increased central abdominal fat, declining muscle mass, alterations in cholesterol profile, changes in vascular function, bladder, and bowel dysfunction, oral health problems, and cognitive decline. These consequences can result in various health issues and increased risks for certain health conditions. These include osteopenia, osteoporosis, diabetes, insulin resistance, metabolic syndrome, cardiovascular disease, high blood pressure, urinary incontinence, prolapse, gum disease, and dementia.

While a woman may be at an increased risk of developing certain conditions because of hormonal changes during menopause, the risk for any condition depends on many factors, including family history, overall health before menopause, and lifestyle factors.

With the impacts associated with menopause, women are encouraged to maintain regular health check-ups, undergo appropriate screening and testing, adopt nutritional and lifestyle changes, and seek aligned treatment and management options as proactive and reactive measures to manage symptoms and safeguard overall health.

To learn more, visit the Impacts of Menopause page.

Many treatment options exist for menopause symptoms, ranging from Hormone Replacement Therapy (HRT) and prescription medications to conventional and alternative therapies and dietary supplements.

HRT (also called Hormone Therapy (HT), Menopause Hormone Therapy (MHT), Estrogen Replacement Therapy (ERT), and Postmenopausal Hormone Therapy (PHT)) is a prescription medication treatment used to relieve symptoms of menopause by replacing hormones, primarily estrogen and progesterone or progestin, that the body produces less of following menopause. Using HRT may prove effective in reducing vasomotor symptoms, including hot flashes and night sweats. HRT may interfere with existing medications and increase the risk of breast cancer, blood clots, heart attacks, and strokes.

Prescription medications such as antidepressants, blood pressure, and certain anti-seizure medications may help manage vasomotor symptoms. Over-the-counter medications include vaginal moisturizers with low-dose estrogen targeting vaginal dryness and discomfort.

Procedures include vaginal laser therapy to treat vaginal atrophy, nerve block procedures to target specific nerve pathways responsible for symptoms like hot flashes, and radiofrequency treatments to stimulate collagen production in tissues for urinary incontinence. Additional procedures, such as uterine artery embolization, endometrial ablation, and a total hysterectomy, may be performed during the perimenopausal stage to treat heavy menstrual bleeding and discomfort.

Conventional and traditional therapies like cognitive-behavioral therapy (CBT) can help address mood changes, as can psychotherapy, hypnotherapy, and counseling. Complementary and alternative therapies like acupuncture (part of Traditional Chinese Medicine (TCM)), Ayurveda, homeopathy, and naturopathy can help treat a host of symptoms.

Dietary supplements containing plant estrogens (phytoestrogens) such as soy, red clover (Trifolium pratense) and flaxseed (Linum usitatissimum), adaptogens like ashwagandha (Withania somnifera), black cohosh (Actaea racemosa), Panax ginseng (red ginseng or Korean ginseng), and St. John’s wort (Hypericum perforatum), and those offering hormonal support like dong quai (Angelica sinensis), pumpkin seed extract (Cucurbita pepo), saw palmetto extract (Serenoa repens), and beta-sitosterol (β-sitosterol), may also provide relief.

Products include vaginal moisturizers without estrogen, lubricants, vaginal dilators, pelvic weights, and pelvic wands.

To learn more, visit the Menopause Treatment page.

The management of menopause, a critical aspect of women’s health, goes beyond medical treatments to include factors like mindset and environment, diet and lifestyle, exercise and activity, sleep and recovery, employment and social interaction, and relationships and sexual health.

Adopting a realistic mindset toward menopause can address any stress, and anxiety associated with this natural transition. Creating a comfortable and supportive environment at home and work can significantly enhance your emotional well-being.

Diet and lifestyle changes play a pivotal role in managing menopause symptoms. Reducing carbohydrate intake, including sugar, increasing protein and fat intake, and practicing intermittent fasting, can address the metabolism and fat distribution changes associated with menopause. Lifestyle changes such as reducing alcohol, caffeine, and smoking can support hormonal and overall health.

Regular exercise and activity, including weight training, may boost mood, promote sleep, strengthen bones, manage weight gain, increase muscle mass, and improve cardiovascular health.

Adequate sleep is vital for overall health and recovery. Deep and restorative sleep will help to keep fatigue and mood swings at bay. Maintaining a regular sleep schedule can significantly improve sleep quality.

Maintaining social connections and engaging in activities that promote mental stimulation and enjoyment can help manage stress, symptoms, and improve overall well-being. As can a supportive work environment including physical and psychosocial elements such as temperature control, and working hours.

Last, the physical, cognitive, and psychological changes associated with menopause can challenge and strain relationships, particularly with spouses and partners. Open communication and resources such as the Men’s Section page on this site can assist. Having an active and satisfying sexual life can improve physical and emotional health. Regular sexual activity can also help you maintain optimal vaginal health during menopause.

To learn more, visit the Menopause Management page.

Navigating menopause involves more than managing symptoms; it is an opportunity for liberation and fulfillment. Free from concerns of menstruation and conception in the postmenopausal phase, women can focus on balancing health risks with a holistic approach to wellness, combining lifestyle adjustments and medical guidance. For women who have experienced conditions associated with menstruation such as endometriosis or PMS, menopause often brings an improvement in quality of life, opening a new chapter of health and personal growth.