Will Hormone Replacement Therapy Hurt Your Heart?

Updated July 2026

For most healthy women under 60, hormone replacement therapy started around the time of menopause does not hurt the heart, and may even help it. Women under 60 who use HRT during menopause tend to live longer than those who don't, according to robust research over the last couple of decades. For the full story on menopause, hormones, and where the science stands, start with menopause and hormone therapy: what women haven't been told.

Why do so many people believe HRT is bad for the heart?

Because of one study and how it was reported. In 2002, researchers halted a large trial when it appeared that women taking a combination of estrogen and progesterone were at heightened risk of heart attack, stroke, blood clots, and breast cancer. In response, most women in the U.S. stopped using hormone therapy, and many doctors stopped prescribing it.

Further analysis, however, revealed that those heightened risks applied mainly to older women. Younger women, follow-up research has shown, actually lived longer when they took hormones during menopause, and the researchers followed them for 18 years to be sure.

What does the research actually show for younger women?

As early as 2004, there was evidence of benefit for women under 60, when a meta-analysis showed that younger women had a 39 percent lower risk of death than women who didn't take hormones. Treatment guidelines have been coming around since. In 2020, for example, the Korean Society of Menopause issued guidelines stating that for women under 60 within 10 years of menopause and with no history of cardiovascular disease, hormone therapy is likely to reduce heart disease and death from other causes.

What's not perfectly clear yet is whether hormone therapy should be used for the sole purpose of preventing heart disease. It currently is not recommended for that, and researchers suspect the timing of therapy plays a role in how hormones affect the heart.

Why aren't more doctors up to date on this?

It makes sense that women might remember the headlines from the scares over 20 years ago and be reluctant to try hormone therapy. It makes less sense that doctors aren't current. Less than a quarter of OB/GYN residents receive menopause education, so many providers simply aren't working with the latest information. (The gaps in medical education strike again.)

Proper management of menopause has huge impacts. If you've been through it, you know hot flashes aren't the only symptom. You may have had difficulty sleeping, mood swings, depression, headaches, a racing heart, vaginal dryness, or trouble focusing, sometimes beginning years before menopause. And those symptoms don't just affect quality of life; hot flashes and night sweats have themselves been linked to increased cardiovascular risk. Cholesterol is part of the picture too, since it commonly rises as estrogen falls; here's why cholesterol goes up after menopause.

Does that mean HRT is risk-free?

No. Women at heightened risk of breast cancer or blood clots still need to weigh the risks and benefits, though data increasingly shows that transdermal estrogen (patches and creams) may not carry the clot risk the old pill form did. And because of remaining questions about timing, starting hormone therapy more than 10 years after the onset of menopause is generally still not recommended, nor is unlimited use, with most menopause specialists discouraging continuation beyond age 65.

It's worth noting how far the official stance has shifted: in November 2025, the FDA began removing the black box warning from estrogen-containing hormone therapy products, citing the outdated interpretation of the early trial data that overstated risk in older women.

So what should you do?

Talk to your doctor. If they aren't aware of the latest research, find someone who is. Prescribed to the right patient, at the right time, and in the correct dose and preparation, hormone therapy can be safe and can meaningfully improve quality of life, and maybe even heart outcomes.

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