Why Hormone Therapy Isn’t Always an Either/Or Decision
By Dr. Kyle Kingsley, MD
Last reviewed by a licensed physician — 2026-03-21
Hormones do not work in isolation. Estrogen and testosterone share metabolic pathways, influence the same receptor systems in the brain and bone, and regulate overlapping physiological functions. When physicians treat female hormone deficiency with a single-hormone lens, they often miss the full clinical picture. This article explains when women need both testosterone and estrogen, how we identify combined deficiency through laboratory testing, and how physician-led care at Lite Medical’s Plymouth and Maple Grove clinic addresses both hormones together in a thoughtful, monitored protocol.
The Distinct but Overlapping Roles of Testosterone and Estrogen
Estrogen — primarily estradiol (E2) — governs reproductive function, regulates the hypothalamic-pituitary feedback loop, maintains vaginal tissue integrity, supports cardiovascular health, and is the primary determinant of bone mineral density in women. When estradiol drops below 50 pg/mL in perimenopausal women or below 30 pg/mL in postmenopausal women, the clinical consequences are well-documented: vasomotor symptoms (hot flashes and night sweats), urogenital atrophy, mood dysregulation, sleep fragmentation, and accelerated bone loss.
Testosterone in women, produced by the ovaries and adrenal glands, peaks in the mid-twenties and declines gradually through the reproductive years. By the time a woman reaches her mid-forties, her testosterone levels are often half what they were at age 25. This decline accelerates sharply around menopause. Clinically, low testosterone in women manifests as reduced libido, persistent fatigue that doesn’t resolve with rest, difficulty building or maintaining muscle, cognitive blunting often described as “brain fog,” and a flattening of general motivation and well-being. These symptoms are meaningfully different from — but frequently overlap with — the estrogen-deficiency picture.
The problem is that a woman experiencing hot flashes, low drive, exhaustion, mood swings, and cognitive fog may be told her estrogen is “the issue” or her testosterone is “the issue” when the answer is often both. At Lite Medical’s Plymouth-Maple Grove clinic, we run comprehensive panels specifically to distinguish individual hormone contributions and identify when combined replacement is the most clinically appropriate path.
What the Evidence Says About Combined Hormone Therapy in Women
The case for addressing testosterone in women alongside estrogen has become increasingly clear in the clinical literature. The Endocrine Society’s clinical practice guidelines on testosterone therapy in women acknowledge that testosterone deficiency is a recognized clinical entity and that appropriately dosed testosterone therapy can improve sexual function and general well-being in women with documented deficiency. The challenge has been that for decades, treatment protocols focused almost exclusively on estrogen, leaving testosterone largely unaddressed outside of libido-specific complaints.
Meanwhile, a growing body of evidence from the The Menopause Society’s 2022 hormone therapy position statement reaffirms that estrogen-based HRT remains the most effective treatment for vasomotor symptoms and urogenital changes, and that the risk-benefit calculus for most healthy women under age 60 or within ten years of menopause favors treatment. When both hormones are addressed together in appropriately selected patients, clinical outcomes — including quality of life, mood stability, bone protection, and sexual health — tend to be stronger than single-hormone approaches.
At Lite Medical, we take both bodies of evidence seriously. Our approach is never to assume a woman needs only one hormone until we have a complete picture of her hormonal landscape through a full panel.
Reading the Lab Panel: How We Identify Combined Deficiency
The cornerstone of physician-led hormone care is accurate laboratory evaluation. A woman presenting with fatigue, low libido, brain fog, and hot flashes could have estrogen deficiency, testosterone deficiency, or both — and treatment decisions must be grounded in actual lab values, not symptom clusters alone.
The panel we typically run for women presenting with hormonal concerns includes:
Estradiol (E2): The most clinically relevant estrogen for replacement purposes. In premenopausal women, values fluctuate across the cycle; in perimenopausal and postmenopausal women, we look for a stable baseline. Values consistently below 50 pg/mL in symptomatic perimenopausal women, or below 25–30 pg/mL in postmenopausal women, are generally consistent with estrogen deficiency.
Total Testosterone and Free Testosterone: Total testosterone values below 25 ng/dL in women are typically associated with the symptom cluster of female androgen deficiency. Free testosterone (the biologically active fraction not bound to SHBG) is often a more sensitive indicator because a woman can have a borderline total testosterone but significantly impaired free testosterone if her SHBG is elevated.
Sex Hormone-Binding Globulin (SHBG): SHBG is the protein that binds and inactivates testosterone. When SHBG is elevated — as it commonly is in women taking oral estrogen, under high stress, or with thyroid dysfunction — even a numerically adequate total testosterone can result in very low free testosterone. Understanding SHBG is essential for interpreting testosterone results accurately.
FSH (Follicle-Stimulating Hormone): Elevated FSH confirms ovarian insufficiency. Values above 25 IU/L suggest perimenopause; values persistently above 40 IU/L are consistent with established menopause and indicate that natural estrogen production from the ovaries has significantly declined.
When a woman presents with estradiol below 50 pg/mL, total testosterone below 25 ng/dL, elevated SHBG, and elevated FSH — combined with a matching symptom profile — the clinical picture points clearly to combined deficiency. Treating only estrogen in this scenario typically resolves hot flashes and sleep disruption but leaves fatigue, cognitive fog, and libido concerns largely unaddressed.
How We Structure Combined Hormone Therapy
Once combined deficiency is confirmed, treatment is individualized based on a woman’s age, symptom severity, reproductive status, and personal health history. At Lite Medical, we do not apply one-size-fits-all dosing.
For estrogen, bioidentical estradiol is our preferred approach — most commonly transdermal gel or patch, which bypasses first-pass hepatic metabolism and has a more favorable safety profile compared to oral conjugated equine estrogens. In women with an intact uterus, estrogen is always paired with progesterone to protect the endometrium. Our starting doses are conservative and titrated based on symptom response and follow-up labs.
For testosterone, we use low-dose testosterone in forms specifically compounded or indicated for women — typically a transdermal cream or gel at doses well below those used in male TRT. The goal is to restore testosterone to a mid-normal premenopausal range, not to push levels to supraphysiologic values. This distinction is important: appropriate female testosterone therapy does not masculinize, does not cause voice changes at physiologic doses, and does not produce the side effects associated with the high-dose protocols sometimes marketed by less scrupulous providers.
If you’re in Chanhassen or the surrounding Plymouth area and you’re wondering whether your current hormone therapy is fully addressing your symptoms, scheduling a comprehensive evaluation is a reasonable next step. Our Premier Discovery Intake is designed specifically for patients who want a thorough, physician-led assessment before making any treatment decisions.
Monitoring Combined Therapy Over Time
Once a patient begins combined testosterone and estrogen therapy, monitoring is ongoing and essential. At Lite Medical, follow-up lab panels are typically scheduled at 8–12 weeks after initiation, then every 6 months once values are stable. We check estradiol, total and free testosterone, SHBG, and in select cases progesterone and a complete metabolic panel.
Clinical response is assessed in parallel with labs. Symptom improvement — particularly libido, energy, mood, and hot flash frequency — is documented at each visit. Dose adjustments are made conservatively and always in the context of both lab trends and symptom patterns. A patient whose estradiol is in target range but whose free testosterone remains low despite dosing adjustments may need SHBG management as a secondary intervention.
Women on combined therapy are also counseled on the role of resistance training, protein intake, and sleep quality, all of which interact with hormonal physiology in meaningful ways.
Accessing Comprehensive Hormone Care in Chanhassen
Lite Medical’s Plymouth-Maple Grove clinic serves women throughout Chanhassen, Plymouth, and the surrounding southwest metro. We are a cash-pay, physician-led practice — which means our consultations are not constrained by insurance authorization requirements, and our physicians have the latitude to order comprehensive panels and discuss all evidence-based treatment options.
Learn more about our approach to physician-led hormone optimization on our about page. Women in the Minneapolis and Edina area who prefer a closer location can access the same level of physician-led care at our Edina-Minneapolis clinic.
Putting It Together: When Women Need Both
The short answer is: many women do. The hormonal changes of perimenopause and menopause rarely affect estrogen and testosterone in neat isolation. For women who have undergone the full panel and have documented low levels of both hormones alongside a matching symptom profile, combined therapy is a clinically sound and well-supported approach. The goal at Lite Medical is never to prescribe more than is needed, but also never to under-treat by addressing only half of the picture. Hormonal health is a system — and when two components of that system are deficient, restoring both is how patients feel like themselves again.
Frequently Asked Questions
Do I need both testosterone and estrogen, or just one?
Whether you need one or both hormones depends on your lab results and symptoms. At Lite Medical in Chanhassen, we run a comprehensive panel including estradiol (E2), total testosterone, free testosterone, SHBG, and FSH. If your estradiol is below 50 pg/mL and your total testosterone is below 25 ng/dL, combined deficiency is likely and combined therapy may produce better outcomes than addressing either hormone alone. Women with predominantly vasomotor symptoms (hot flashes, night sweats) and normal testosterone may need only estrogen; women with predominantly fatigue, low libido, and cognitive fog with normal estradiol may need only testosterone. Many women in perimenopause and menopause have both deficiencies simultaneously.
What risks are involved in taking both testosterone and estrogen together?
Combined hormone therapy carries the same considerations as single-hormone therapy, addressed individually for each hormone. Estrogen therapy, when used at appropriate doses and in the right candidates, has a well-characterized safety profile; the primary risks — including endometrial protection and cardiovascular considerations — are managed by using bioidentical transdermal estradiol and, in women with an intact uterus, always co-prescribing progesterone. Low-dose testosterone in women at physiologic doses does not significantly increase cardiovascular risk and does not masculinize. At Lite Medical’s Chanhassen clinic, every patient receives a health history review and risk stratification before any hormone therapy is initiated, and follow-up monitoring catches any adverse trends early.
How often do I need labs checked while on combined hormone therapy?
Lab monitoring typically occurs at 8–12 weeks after initiating combined testosterone and estrogen therapy to confirm that levels are in the therapeutic range. Once values are stable, follow-up panels are typically every 6 months. The panel includes estradiol, total and free testosterone, SHBG, and in some cases a complete metabolic panel. At Lite Medical in Chanhassen, monitoring schedules are individualized based on how quickly a patient responds and whether dose adjustments are needed.
What does combined hormone therapy cost at Lite Medical in Chanhassen?
Lite Medical is a cash-pay clinic, so pricing is transparent and not subject to insurance authorization. Comprehensive hormone evaluations including a physician consultation and full lab panel are priced clearly upfront, and ongoing follow-up visits are typically lower in cost than the initial evaluation. Compounded bioidentical hormone preparations — including low-dose testosterone cream and transdermal estradiol — are generally available through compounding pharmacies at accessible price points compared to branded alternatives. During your Premier Discovery Intake, your physician will walk through the complete cost of your personalized treatment plan.
Is combined testosterone and estrogen therapy available for women in Chanhassen?
Yes. Lite Medical’s Plymouth-Maple Grove clinic is the nearest Lite Medical location to Chanhassen and provides comprehensive, physician-led combined hormone therapy for women. Both bioidentical estradiol and low-dose testosterone are available as part of a personalized treatment plan developed after a full lab panel and physician evaluation. This is not a telehealth or mail-order service — all prescribing is done by licensed physicians who review your labs, discuss your symptoms in detail, and monitor your response over time.
How is combined hormone therapy different from what my OB-GYN prescribes?
Most standard OB-GYN practices focus primarily on estrogen and progesterone for menopausal management and typically do not evaluate or prescribe testosterone for women. At Lite Medical in Chanhassen, our physician-led evaluations include testosterone as a standard part of the hormone panel, because we recognize that testosterone deficiency is common in perimenopausal and postmenopausal women and contributes significantly to symptoms that estrogen alone will not resolve. This broader approach — grounded in the Endocrine Society’s clinical evidence — means patients receive a more complete assessment of their hormonal health than is typical in a standard gynecology practice.
References
- Endocrine Society — Testosterone Therapy in Women Clinical Practice Guideline — Supports the clinical evidence for testosterone therapy in women with documented androgen deficiency, including dosing and monitoring recommendations.
- The North American Menopause Society — 2022 Hormone Therapy Position Statement (PubMed) — Supports the safety and efficacy of estrogen-based hormone therapy for menopausal women, including the risk-benefit analysis for women under 60 or within 10 years of menopause onset.
Disclaimer
This article is intended for general informational purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. All hormone therapy decisions should be made in consultation with a licensed physician following a complete clinical and laboratory evaluation. Individual results vary. Lite Medical PLLC is a cash-pay clinic; services are not covered by insurance.