Perimenopause and the Gut-Hormone Connection
Dr. Heidi Codino, ND, CNCB
Advisory Board Member, Menopause Association
Dr. Serena Russum, ND, CNCB
Practicing Physician at Blossoming Longevity
Emily Wolbers
Dr. Emily Wolbers
7 months ago
- The gut plays a central role in estrogen regulation during perimenopause.
Dr. Wolbers explains that the estrobolome—the collection of gut bacteria involved in estrogen metabolism—directly influences how estrogen is activated, recycled, or eliminated from the body. Imbalances in key bacteria or enzymes like beta-glucuronidase can contribute to symptoms of both low estrogen (hot flashes, brain fog) or estrogen dominance (weight gain, breast tenderness, acne). - Bloating, stool changes, and brain fog are often gut-driven—not just hormonal.
The most common gut symptoms Dr. Wolbers sees in perimenopausal women include bloating (especially upon waking), constipation or diarrhea, and fatigue. These symptoms often reflect microbiome imbalance, inflammation, leaky gut, or stress-related gut dysfunction rather than food reactions alone. Hormones and the gut function as a “both-and” system, not an either-or problem. - Stress and restriction fuel the hormone–gut dysfunction loop.
Chronic stress elevates cortisol, increases gut inflammation, worsens intestinal permeability, and further suppresses progesterone—already declining during perimenopause. At the same time, restrictive dieting depletes the body of the nourishment it needs for hormone production. Dr. Wolbers emphasizes nourishment, nervous system regulation, and trust in the body as essential components of healing
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