Estrogen therapy (ET) is the administration of estrogen to supplement the declining levels that cause menopause symptoms. It is the most evidence-backed treatment available for hot flashes, night sweats, vaginal dryness, mood changes, and bone loss. Women with a uterus typically take estrogen with progesterone to protect the uterine lining.

Types of Estrogen Therapy

›Oral estradiol (pill): Daily pill. Effective and well-studied. Slightly higher clot risk than transdermal routes. Convenient for many women.
›Transdermal patch: Applied to skin twice weekly. Consistent hormone delivery. Lower clot and stroke risk than oral estrogen. Good option for women with cardiovascular concerns.
›Estrogen cream or gel: Applied daily to skin. Bioidentical estradiol absorbed directly. Flexible dosing. Popular with telehealth platforms like Inner Balance and Gala.
›Vaginal estradiol: Local low-dose estrogen for vaginal dryness, irritation, and GSM. Minimal systemic absorption. Safe for most women including those who can't use systemic HRT.
›Bioidentical estradiol: Chemically identical to the estradiol your body produced naturally. Available in FDA-approved forms and compounded preparations. Offered by Winona, Gala, and Inner Balance.

Benefits of Estrogen Therapy

Reduces hot flashes by 75–90%
Eliminates or significantly reduces night sweats
Relieves vaginal dryness and improves sexual comfort
Protects bone density and reduces fracture risk
Improves mood and reduces anxiety
Supports cognitive clarity and memory
May improve sleep quality and duration
FSA/HSA eligible as a prescription medication

Is Estrogen Therapy Safe?

The safety of estrogen therapy has been substantially re-evaluated since the 2002 WHI study. Current evidence from the Menopause Society supports ET for healthy women under 60 and within 10 years of menopause. Transdermal estrogen has a lower risk profile than oral estrogen. The type of progesterone co-prescribed also matters — micronized progesterone is preferred. Individual risk factors always apply; a clinician review is required.

How We Ranked These Providers

Our editorial team evaluates each provider across weighted criteria:

30%Estrogen Formulation Range: Access to pills, patches, creams, and vaginal options

25%Bioidentical Options: Availability of plant-derived bioidentical estradiol

20%Menopause Specialization: Clinicians specifically trained in estrogen therapy protocols

15%Cost & Transparency: Clear pricing and value for ongoing care

10%Patient Support: Access to clinician for dose adjustments and questions

Related Menopause Symptom Guides

Menopause symptoms rarely arrive alone. These guides cover the symptoms most often reported alongside estrogen therapy.

See every guide in the full menopause symptom index, or read the complete guide to menopause care and HRT.

Frequently Asked Questions

Common questions about estrogen therapy and HRT treatment.

Do I need progesterone with estrogen therapy?

If you have a uterus, yes — estrogen alone can cause the uterine lining to overgrow (endometrial hyperplasia). Adding progesterone (or a progestin) protects the uterus. Women who have had a hysterectomy can use estrogen-only therapy. Your clinician will determine the right combination based on your anatomy and history.

Is an estrogen patch better than a pill?

Transdermal estrogen (patch, cream, gel) bypasses first-pass liver metabolism, resulting in lower clot and stroke risk compared to oral estrogen. For women with cardiovascular risk factors, transdermal delivery is generally preferred. Both are effective for symptom relief — the delivery method is a safety and convenience consideration.

How long can I stay on estrogen therapy?

Current guidelines support using estrogen therapy for as long as symptoms persist and benefits outweigh risks. The outdated 5-year limit from the 2002 WHI study is no longer recommended. Many women use HRT for 10+ years. Annual review with your clinician to reassess the benefit-risk balance is recommended.

Why does Winona specialize in estrogen therapy?

Winona was founded specifically to provide women with access to bioidentical HRT and is one of the few telehealth platforms offering multiple estrogen delivery methods (cream, patch-equivalent) using plant-derived bioidentical estradiol. Their clinicians are trained specifically in menopause care, not general-practice telehealth redirected to hormones.

References

This article draws on peer-reviewed research and guidance from recognized medical organizations. Sources are current as of the last review date.

1.The Menopause Society (formerly NAMS). The 2022 Hormone Therapy Position Statement of The North American Menopause Society. Menopause. 2022;29(7):767–794.
2.American College of Obstetricians and Gynecologists (ACOG). Management of Menopausal Symptoms (Clinical Practice Guideline No. 8). Obstet Gynecol. 2023.
3.The Menopause Society. The 2023 Nonhormone Therapy Position Statement of The North American Menopause Society. Menopause. 2023;30(6):573–590.
4.The Menopause Society. The 2020 Genitourinary Syndrome of Menopause Position Statement of The North American Menopause Society. Menopause. 2020;27(9):976–992.
5.National Institute for Health and Care Excellence (NICE). Menopause: Identification and Management (NICE Guideline NG23). NICE. Updated 2024.
6.National Institute on Aging (NIH). Hormones and Menopause. U.S. National Institutes of Health.
7.Mayo Clinic Staff. Hormone Therapy: Is It Right for You?. Mayo Clinic.

HRT.so is an independent educational resource and is not affiliated with the organizations cited above. Links are provided for verification and further reading. This content is not medical advice — always consult a qualified healthcare provider.

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