Hormone Therapy in 2026: What’s Safe, What’s Not, and Who Should Consider It

Remember our blog post from December 2024 defining menopause, common symptoms and how to treat it? Well, we thought we would do a deeper dive on the updated evidence around the safety of menopausal hormone therapy.

Hormone Therapy for Menopause: What We Know Now

If you’ve heard that hormone therapy is “dangerous,” you’re not alone.

Many women still remember headlines from the early 2000s warning about risks from hormone therapy. In 2002, a large study called the Women’s Health Initiative (WHI) raised concerns about increased risks of breast cancer, blood clots, stroke, and heart disease with hormone therapy ¹.

However, most of the women in that study were 1) over age 60, 2) more than 10 years past menopause, and 3) at higher baseline risk for heart disease. We now understand that age and timing matter.

What Is the “Timing Hypothesis”?

Research over the last two decades shows that hormone therapy is safest and most beneficial when it is started before age 60, and within 10 years of menopause ^2,3.

This has led major medical organizations to support hormone therapy as a safe option for appropriate candidates.

What About Breast Cancer Risk?

This is often the biggest concern. The risk depends on whether you take estrogen alone or estrogen with progesterone, how long you use it and your personal and family history.

For women who have had a hysterectomy and take estrogen alone, studies show no increased risk of breast cancer and possibly even a slight decrease ⁴.

For women with a uterus who take combined estrogen and progesterone, there is a small increase in breast cancer risk with long-term use (generally after 3–5 years). However, the overall risk remains low for most healthy women ⁵.

This is why we individualize decisions based on your history and preferences.

Who Should NOT Take Hormone Therapy?

Hormone therapy is generally not recommended if you have:

• A history of breast cancer
• A history of blood clots or stroke
• Active liver disease
• Certain high-risk cardiovascular conditions

If hormones are not safe for you, there are effective non-hormonal options available.

The Bottom Line

Hormone therapy is not as risky as many women were once led to believe.

For appropriate candidates, especially those early in menopause, it can be both safe and life-changing in relieving symptoms.

If you are struggling with hot flashes, sleep problems, mood changes, or other menopausal symptoms, we encourage you to schedule a visit to discuss your options. You deserve to feel well during this stage of life.

Citations

1. Rossouw JE, et al. Risks and benefits of estrogen plus progestin in healthy postmenopausal women. JAMA. 2002;288(3):321-333.
2. Manson JE, et al. Menopausal hormone therapy and long-term all-cause and cause-specific mortality. JAMA. 2017;318(10):927-938.
3. The 2023 Clinical Practice Guideline from the American College of Obstetricians and Gynecologists (ACOG): Hormone Therapy for Menopause.
4. Chlebowski RT, et al. Breast cancer incidence and mortality in the WHI estrogen-alone trial. JAMA Oncology. 2020
5. Chlebowski RT, et al. JAMA. 2010.