Hormone therapy for women: the questions that matter most

Perimenopause is the bumpy part

Menopause is a single point in time, confirmed after 12 months without a period, and it most often arrives between about 45 and 55. Perimenopause is the transition before it, which usually starts in the 40s and can last several years. During that stretch, hormone levels swing unpredictably, which is why symptoms can come and go and why one blood test often looks normal.

Hot flashes get the attention, but the list is longer: broken sleep, irritability or anxiety, irregular or heavier periods, vaginal dryness, bladder changes and more urinary infections. Many women also notice joint aches, brain fog and skin or hair changes. Perimenopause is diagnosed mainly from your age, symptoms and cycle history, with labs used to rule out other causes such as thyroid disease or low iron.

What hormone therapy can and cannot do

Systemic estrogen is the most effective treatment for hot flashes and night sweats, and it helps slow bone loss after menopause. It often improves sleep when night sweats are the culprit. Vaginal estrogen treats dryness, painful sex and some urinary symptoms with very little absorption into the bloodstream.

Hormone therapy is not a weight-loss treatment, an antidepressant or a proven way to prevent dementia or heart disease. It will not undo every midlife change. Knowing that up front helps you judge whether it is working for the symptoms it is meant to treat.

Breast cancer: separating the signals

Much of the worry comes from the Women's Health Initiative trials. According to the National Cancer Institute, estrogen combined with a progestin was linked to a higher breast cancer risk, while estrogen alone, used by women without a uterus, was linked to a lower risk of breast cancer. The combined arm used a synthetic progestin, and the women studied were on average well past menopause.

In February 2026, the FDA approved labeling changes that removed cardiovascular disease, breast cancer and probable dementia from the boxed warning on several menopausal hormone therapy products. Risks are still described in the full prescribing information, and a personal history of breast cancer still calls for a careful, specialist-informed decision.

Blood clots, stroke and the route you choose

Oral estrogen passes through the liver first, which affects clotting factors. Observational studies suggest estrogen absorbed through the skin, as a patch, gel or cream, carries less clot risk than pills, which is one reason clinicians often prefer it for women with migraine, higher weight or other risk factors. No route is completely risk-free, and a history of blood clots or stroke changes the conversation significantly.

Why progesterone matters if you have a uterus

Estrogen on its own stimulates the uterine lining and raises the risk of endometrial cancer. If you have a uterus, a progestogen is added to protect it. HealifyMD uses micronized progesterone, which is structurally identical to the hormone your body makes. If you have had a hysterectomy, you usually do not need it. Do not stop progesterone while continuing estrogen unless your clinician tells you to.

Bioidentical and compounded are not the same thing

Bioidentical describes a hormone with the same molecular structure as your own. Many FDA-approved products, including estradiol patches and micronized progesterone capsules, are already bioidentical. The word says nothing about safety or quality. Compounded hormones, including some prescribed through HealifyMD, are not FDA-approved or FDA-reviewed, and estriol is available in the U.S. only as a compounded preparation. The Menopause Society does not recommend compounded hormones over approved products when an approved product fits.

Timing and how long to stay on it

Starting closer to menopause generally offers a better balance of benefit and risk than starting many years later. There is no automatic stop date. Most clinicians reassess at least once a year, and some women continue for many years when benefits still outweigh risks.

At HealifyMD, your clinician reviews your history, blood pressure, medications and baseline labs before prescribing, then checks in on symptoms, bleeding patterns and side effects during follow-up. Any new or unexpected vaginal bleeding after menopause should be reported promptly, because it needs to be investigated rather than assumed to be a side effect.