For 22 years, every estrogen product approved for menopause in the United States opened with the FDA's most severe warning: a black-bordered box naming heart attacks, strokes, blood clots, breast cancer and dementia. The box traced back to one study, the Women's Health Initiative, whose first results in July 2002 ended an era in which hormone therapy was among the most prescribed medicines in the country. Use fell from more than a quarter of postmenopausal women to under 5% and never recovered.
The November 2025 announcement undid most of that box. FDA Commissioner Marty Makary and HHS Secretary Robert F. Kennedy Jr. framed it as the correction of risk messaging that had grown outdated. Many menopause clinicians called it overdue. Several cancer specialists and researchers said the process was too informal and worried the headlines would be read as "HRT is now safe for everyone."
This guide is the long version for women who want to understand the decision rather than just hear about it: what a boxed warning is, what the 2002 trial measured, what the FDA changed and kept, how the medical societies responded, where the disagreement is, and what it does and does not mean for a woman deciding about hormone therapy in 2026. Shorter reads on the same topic: Is HRT safe? and our complete menopause guide.
Timeline at a glance
| When | What happened |
|---|---|
| July 2002 | The WHI's estrogen-plus-progestin trial is stopped early; results in JAMA report more breast cancer, heart disease, stroke and blood clots |
| 2003 | The FDA requires boxed warnings on menopausal estrogen products; prescribing collapses |
| 2000s to 2020s | Long-term WHI follow-up and new trials show the risk picture depends on age, timing and the type of hormones |
| July 17, 2025 | The FDA convenes a public expert panel on menopause and hormone therapy |
| November 10, 2025 | HHS and the FDA announce the removal; the FDA asks manufacturers to revise their labels |
| February 12, 2026 | The FDA approves the first six revised labels |
| 2026 | Prescriptions rise; some estradiol patches run short; the FDA says patch supply is expanding |






