How Estrogen Levels Change During Menopause

Estrogen and menopause are closely linked, and menopausal-related changes in estrogen levels can affect multiple systems at once, contributing to a wide range of symptoms.

Discover how estrogen levels shift during perimenopause and menopause, and learn about the diet and lifestyle habits that can help support this transition and promote overall well-being. 

What is estrogen?

Estrogen is a group of steroid hormones that regulate reproductive function and influence many non-reproductive tissues, including the brain, bones, liver, and cardiovascular system. 

These sex hormones also play a role in regulating menstrual cycles, maintaining bone density, and supporting mental well-being and metabolic health. 

The effects of estrogen depend not only on total estrogen levels but also on which form of estrogen is most dominant at different stages of life.

The three primary types of estrogen include:

• Estradiol–the most bioactive form of estrogen during reproductive years
• Estriol–a weaker form of estrogen produced mainly during pregnancy
• Estrone–the dominant form of estrogen after menopause, produced largely by fat cells

As ovarian hormone production declines as a woman ages, the relative balance among these estrogen forms shifts significantly, influencing estrogen activity throughout the body.

Watch the video below to learn how estrogen, menopause, and mood swings are connected.

What is menopause?

Menopause marks the natural end of a woman’s reproductive years and reflects a long-term shift in hormone production. It’s officially defined as the point when menstrual periods have stopped for 12 consecutive months.

Menopause occurs when the ovaries significantly reduce their production of estrogen and progesterone. Most women enter menopause between the ages of 45 and 55, though early menopause can occur due to genetics, medical treatments, or certain health conditions. 

As ovarian estrogen production declines, the body relies more on other systems to help manage hormonal balance.

The adrenal glands play an important role in regulating the stress response, which becomes especially relevant during menopause, as adrenal hormone output can influence energy balance, stress tolerance, and overall hormonal stability.

The liver is equally important for maintaining hormonal balance, as it’s responsible for breaking down and clearing estrogen from the body. 

Efficient liver function helps prevent estrogen from being recirculated, which can lead to imbalances associated with menopausal symptoms such as hot flashes, mood changes, and vaginal symptoms.

When either system is under strain, due to factors such as chronic stress, poor sleep, or inadequate nutrition, the body may have more difficulty adapting to and compensating for lower estrogen levels.

How does estrogen change before and during menopause?

The menopausal transition period occurs in stages and includes perimenopause, menopause, and postmenopause, each associated with distinct changes in estrogen levels.

Perimenopause is the stage leading up to menopause, when estrogen levels may rise and fall unpredictably. During this time, ovulation becomes less consistent, and progesterone levels often decline earlier than estrogen.

These hormonal shifts can disrupt the normal balance between estrogen and progesterone, even when estrogen is not yet consistently low. 

This imbalance helps explain why many women experience menopause symptoms such as irregular menstrual periods, breast tenderness, mood changes, hot flashes, and night sweats.

During postmenopause, ovarian estrogen production declines significantly. Estrogen levels settle into a consistently lower range, with estrone becoming the predominant form of estrogen circulating in the body.

This sustained state of low estradiol influences long-term changes in the body, including bone density loss and effects on cardiovascular health related to blood vessel function and cholesterol regulation.

Lower circulating estrogen levels can also affect estrogen-sensitive tissues, which may contribute to vaginal dryness and painful intercourse.

A review published in Climacteric found that declining estrogen levels during menopause are associated with thinning of vaginal tissues, reduced skin hydration, and changes in hair growth patterns.

Lifestyle and nutrition tips to support hormonal balance

Lifestyle factors can influence how well the body adapts to hormonal changes during menopause. 

While estrogen levels naturally decline, daily habits related to diet, physical activity, stress, and sleep can influence hormonal balance and help minimize menopausal symptoms.

Here are five tips to support hormonal balance during menopause.

1. Prioritize a nutrient-focused diet

“Diet plays an important role in how the body processes estrogen during menopause,” explains Dr. Berg. “Optimal nutrition supports liver function, which is critical for balanced estrogen metabolism and clearance.”

Cruciferous vegetables such as broccoli, Brussels sprouts, and cauliflower are rich sources of bioactive compounds that support liver detoxification pathways involved in estrogen metabolism. 

Leafy green vegetables also promote bile production and digestive regularity, which helps eliminate estrogen-related metabolic byproducts.

Healthy fats from sources such as olive oil, avocados, and fatty fish further support bile flow, while adequate intake of high-quality protein provides the amino acids needed for effective liver enzyme activity.

Not only is a nutrient-focused diet vital to support estrogen clearance, but the body also relies on key nutrients to maintain balanced hormone production.

Cholesterol, found in eggs, grass-fed butter, full-fat dairy, and fatty cuts of meat, provides the building blocks for steroid hormones, including estrogen and testosterone. This explains why a low-fat diet can lead to hormonal imbalances and increase the risk of menopausal symptoms. 

In contrast, following a nutritious, high-fat diet such as Healthy Keto®, which emphasizes nutrient-dense whole foods and healthy fats, can help support hormonal balance during menopause.

2. Practice intermittent fasting 

A study published in the Journal of Mid-Life Health found that menopause-related estrogen decline is associated with a higher risk of metabolic syndrome and reported that intermittent fasting has been shown to improve insulin sensitivity and reduce visceral fat in menopausal women.

The authors summarize, “Intermittent fasting (IF) holds promise as a therapeutic strategy for managing menopausal symptoms and improving overall health. By addressing weight management, hormonal regulation, and age-related risks, IF can significantly enhance the quality of life for menopausal women.”

Time-restricted eating approaches such as intermittent fasting are especially beneficial when combined with a nutrient-dense Healthy Keto diet to support metabolic health and hormonal balance during menopause.

3. Stay physically active

Maintaining physical activity plays a central role in how the body adapts to declining estrogen levels during menopause. 

Evidence published in BioMed Research International found that estrogen deficiency during menopause is linked to increased abdominal fat and altered metabolic regulation. 

This helps explain why many women notice changes in body composition during this stage of life, even when eating habits remain the same.

Regular physical activity can counter menopausal-related weight changes by supporting cellular insulin sensitivity, which is critical for blood sugar regulation and weight management. 

Resistance training has been found particularly beneficial during menopause, as it helps preserve muscle mass, which supports bone strength and long-term mobility as estrogen levels decline.

4. Incorporate effective stress management 

Chronic stress can negatively influence hormone signaling and may worsen menopausal symptoms.

Elevated stress hormones, such as cortisol, can disrupt the delicate balance of estrogen and progesterone by altering hormone production and metabolism, which is especially impactful during the hormonal fluctuations of perimenopause.

Stress-management strategies such as regular movement, relaxation practices, spending time in nature, connecting with loved ones, and consistent daily routines can help support hormonal regulation.

5. Prioritize sleep

Sleep plays a key role in hormone regulation and overall recovery, and a lack of adequate quality sleep can intensify fatigue, mood changes, and other common symptoms associated with menopause. 

However, hormonal shifts during menopause can disrupt normal sleep patterns, explaining why disrupted sleep is a common complaint of perimenopausal and menopausal women. 

Maintaining a consistent sleep schedule, creating a calming bedtime routine, and reducing sleep-disruptive factors such as late-night eating, blue light exposure from screens, or stressful activities, may help support hormonal balance and overall well-being during menopause.

FAQ

Sources

1. https://www.tandfonline.com/doi/10.1080/13697137.2022.2050206
2. https://pmc.ncbi.nlm.nih.gov/articles/PMC12052274/
3. https://pmc.ncbi.nlm.nih.gov/articles/PMC3964739/