After 22 years, the FDA has removed the black box warning from hormone replacement therapy, marking a watershed moment in women's health. Our CEO Amy Divaraniya, who witnessed this historic announcement at HHS, explores what the latest research reveals about the critical timing window for HRT, why starting treatment during perimenopause matters, and what this means for providers, patients, and the future of menopause care.

After 22 years, the FDA has removed the black box warning from hormone replacement therapy, marking a watershed moment in women's health. Our CEO Amy Divaraniya, who witnessed this historic announcement at HHS, explores what the latest research reveals about the critical timing window for HRT, why starting treatment during perimenopause matters, and what this means for providers, patients, and the future of menopause care.
The Paradigm Shift Hidden in Plain Sight
When the FDA removed the black box warning from hormone therapy this week, I thought about my mother first.
For ten years, she navigated crushing fatigue, anxiety that came from nowhere, and joint pain that made her quit tennis, the sport she'd played since college. Her doctor's response? "Welcome to menopause. This is normal." The black box warning meant that even discussing hormone therapy felt like suggesting something dangerous.
She wasn't alone. I've now heard hundreds of similar stories from women who believed suffering was safer than treatment. This week's FDA decision doesn't just vindicate those women, it reveals that we've been thinking about menopause entirely wrong.
This isn't about correcting old errors. It's about embracing new science that fundamentally reframes how we think about women's aging.
The research that drove this decision doesn't just say hormone therapy is safer than we thought. It says that the hormonal transition of midlife represents one of the most critical intervention windows in women's entire health trajectory and we've been squandering it.
The Science That Changes Everything: Timing as Destiny
The Critical Window You Can't Get Back
The most compelling research comes from a 2024 comprehensive analysis published in JAMA, examining over 400,000 women across 65 studies. The findings are unequivocal: women who initiate hormone therapy during perimenopause or within 10 years of menopause experience:
- 40% reduction in cardiovascular disease but only when started early
- 35% reduction in all-cause mortality completely absent in late starters
- Preserved hippocampal volume the brain's memory center
- 50% reduction in fracture risk with benefits persisting years after discontinuation
- 30% lower risk of Type 2 diabetes when initiated before age 60
Limitations: These findings come from observational database studies, not randomized controlled trials, and have several important limitations:
- The studies cannot prove causation, only associations were observed.
- Women who start HRT early may differ in health status and health behaviors from late starters, which may confound results.
- Data on the type, route, and dose of hormones and how these differences might affect outcomes, were limited or missing.
But here's the critical finding: start hormone therapy after age 60 or more than 10 years post-menopause, and these benefits disappear. Some risks actually increase.
This isn't just about being "too late" it's about understanding that menopause represents a biological fork in the road. Take one path early, and you maintain physiological resilience. Wait, and that path closes forever.
The Perimenopause Revolution
Even more revolutionary is emerging research on perimenopause intervention. A 2024 study in the Journal of Clinical Endocrinology found that women who started HRT during perimenopause before their final period showed:
- Superior cardiovascular outcomes compared to those who waited
- Better maintenance of muscle mass and metabolic health
- Significantly reduced progression of carotid intima-media thickness
- Preserved cognitive processing speed
We've been waiting for women to "complete" menopause before treating them. The science now says that's exactly backward.
What This Means for Providers: From Reactive to Predictive Medicine
The Mindset Revolution Required
I recently asked Dr. Mary Parman, our medical advisor and practicing OB-GYN, what this change means for her practice. Her response was immediate: "I can finally practice medicine based on evidence, not fear."
For two decades, providers like Dr. Parman have been trained to view menopause through a risk-mitigation lens: minimize hormone exposure, treat only severe symptoms, discontinue as soon as possible.
Old approach:
- Focus: Minimize hormone exposure
- When to treat: Address severe or disruptive symptoms
- How long: Use the lowest effective dose, for the shortest time necessary
Now, a new wave of research invites us to expand that mindset:
- Focus: Start the conversation about hormonal changes earlier ideally in the 40s
- When to treat: Consider prevention and symptom management before symptoms become overwhelming
- How long/what dose: Use personalized regimens with regular, shared decision-making focusing on both symptom relief and long-term health goals
The Practical Implications
This shift requires providers to:
- Screening and education begin earlier
- Greater focus on tracking symptoms and hormone patterns over time
- More options to individualize care including newer, safer hormone formulations and delivery systems
- Longer-term outlook: thinking about healthy aging, not just short-term symptom control
The provider who masters this approach won't just be treating menopause they'll be architecting healthier aging.
What This Means for Patients: Agency in Your Aging Trajectory
The Conversation Changes Today
If you're a woman between 35-60, the removal of the black box warning means you need to fundamentally reconsider your health strategy.
I learned this lesson personally when I started experiencing brain fog and irregular cycles at 43. My first doctor told me I was "too young" for perimenopause. My second ran a single blood test and declared my hormones "normal." It wasn't until I found a provider who understood the latest research that I learned my symptoms were classic perimenopause and that early intervention could change my health trajectory for decades.
Questions to ask your provider immediately:
- I’m noticing changes could these be related to perimenopause, even if my periods haven’t stopped?
- Based on my symptoms and health history, what are my options for managing symptoms or reducing long-term risks?
- Would hormone therapy or other approaches be safe and appropriate for me?
- If I don’t start treatment now, when should I come back to re-evaluate or discuss changes?
- If I want a more in-depth discussion, how can I find a menopause-certified provider? (Tip: Use the provider locator at the Menopause Society website.)
The Three Stages of Opportunity
Stage 1: Perimenopause (typically late 30s or 40s)
- Some studies suggest potential benefits of starting HRT during this period, but individual risk and preferences matter.
- Focus is shifting to prevention and proactive discussion, not just waiting for severe symptoms.
Stage 2: Early Menopause (within 10 years or before 60)
- Research points to possible cardiovascular, bone, and cognitive benefits when HRT is started during this window though not all women will experience the same effects.
- Symptom relief remains a primary goal, but longer-term health may also be supported.
Stage 3: Late Menopause (10+ years or after 60)
- For many women continuing HRT at low dosages is thought to be safe but newly starting HRT at this time is not recommended.
- Local (vaginal) estrogen treatments for vaginal and urinary symptoms remain safe for most women.
Key takeaway: These are population-level trends, not rigid rules. Personalized care and open dialogue with y
Beyond Hormones: The Ecosystem Approach
Emerging research shows that hormone therapy is just one part of a broader plan for optimizing midlife health. An integrated approach, combining HRT with other proven strategies, may offer the greatest benefits for many women.
- Resistance training: Maintains muscle mass and bone health, which naturally decline after menopause.
- Higher protein intake: Many experts now recommend 1.2–1.6g/kg body weight per day to support muscle maintenance and satiety.
- Vitamin D: Important for bone health and possibly helpful alongside HRT. Ensuring adequate vitamin D supports bone and metabolic health in this life stage.
- Sleep: Sleep quality often changes in midlife and can affect overall well-being addressing sleep is a vital part of the plan.
- HRT is most effective when paired with supportive lifestyle changes; no single intervention replaces a holistic approach. Work with your provider to develop a plan that considers hormones, fitness, nutrition, sleep, and the full picture of your health.
What This Means for Industry: The $600 Billion Opportunity
The Market Correction Coming Fast
When we started our company, investors would often ask, "But isn't hormone therapy dangerous?" The black box warning didn't just suppress treatment it suppressed an entire industry. With its removal, we're about to see one of the fastest market corrections in healthcare history.
I've watched this space evolve from the margins to the mainstream, and the acceleration is just beginning.
That said, enthusiasm should be tempered with scientific caution.As data evolves and long-term outcomes become clearer, market dynamics may shift. The pathway forward is exciting, but it must be grounded in rigorous science, not hype.
Immediate Shifts (Next 6-12 Months):
- Telehealth Explosion
- Expect 10x growth in menopause-focused platforms
- Major players (Amazon, CVS, Walmart) entering the space
- AI-driven treatment optimization becoming standard
- Insurance Transformation
- Prior authorization requirements disappearing
- Preventive care coverage for perimenopausal women
- Value-based contracts tied to long-term outcomes
- Employer Benefits Revolution
- Menopause support becoming standard in benefits packages
- On-site hormone consultations at major corporations
- Productivity metrics driving investment
Strategic Plays (Next 2-3 Years):
- Precision Medicine Platforms
- Genetic testing to predict hormone metabolism
- Wearable integration for real-time optimization
- Biomarker panels for treatment selection
- Pharmaceutical Renaissance
- Novel delivery systems (patches, pellets, rings)
- Combination therapies targeting multiple pathways
- Tissue-selective modulators
- Care Model Innovation
- Menopause clinics in every major health system
- Midlife health optimization as new specialty
- Integration with longevity medicine
The Compounding Pharmacy Reckoning
The $2 billion compounded hormone industry thrived on black box fear. Now, FDA-approved options without warnings will reclaim market share. But smart compounders will pivot to:
- Truly personalized formulations for complex cases
- Novel combinations not commercially available
- Rapid iteration for optimization protocols
The Societal Implications Nobody's Discussing
Workforce Transformation
When 20% of the workforce can optimize their hormonal health rather than white-knuckling through symptoms, the productivity implications are staggering:
- Reduced presenteeism (working while impaired)
- Decreased early retirement due to symptoms
- Retention of senior female talent
- Reduced healthcare costs from preventable diseases
The Longevity Dividend
If the cardiovascular and metabolic benefits hold at scale, we're looking at:
- 2-5 year increase in female healthspan
- Hundreds of billions in reduced Medicare costs
- Fundamental shift in how we age as a society
The Knowledge Transfer Imperative
We have two generations of providers who need rapid re-education:
- Medical schools revising curricula
- Residencies adding menopause rotations
- CME requirements for primary care
- Patient education at population scale
The Hard Truths We Must Confront
This Isn't Universal
Recent meta-analyses show favorable associations when HRT is initiated in perimenopause or early menopause. However, these conclusions come with important caveats:
What the Evidence Actually Shows:
- These studies are retrospective analyses using administrative databases (insurance claims, medical records), not randomized controlled trials. Database studies cannot prove causation, only association.
- Database diagnosis codes may be inaccurate or incomplete; not all health conditions are captured.
- Women who choose early HRT are often healthier and more health-conscious than those who don't, selection bias is a significant concern.
- Younger women starting HRT may not yet have developed late-onset diseases (breast cancer, heart disease); longer follow-up is needed.
- Results may not generalize to all racial, ethnic, and socioeconomic populations, the data sets often lack diversity.
- We don't yet have subgroup analyses by estrogen type, route (oral vs. transdermal), dose, or duration; these may substantially change risks and benefits.
- Long-term outcomes beyond 10 years remain unknown; the benefit window described is based on relatively short follow-up.
- Individual risk profiles vary dramatically, a woman's personal and family history shapes whether HRT is appropriate for her.
What This Means in Practice
The FDA's removal of the black box warning is significant. It opens the door to informed, individualized conversations about HRT, shifting away from fear-based messaging. However, the evidence does not support universal HRT prescription. Instead, it calls for shared decision-making: a thorough discussion between each woman and her healthcare provider about her personal risks, symptoms, values, and goals. A woman's candidacy for HRT should be based on her unique clinical picture, not a blanket recommendation or blanket fear.
The Access Challenge
Removing a warning doesn't solve:
- Provider shortages in rural areas
- Cost barriers for uninsured women
- Cultural stigma in many communities
- Health literacy gaps
The Research Gaps
We still need answers on:
- Optimal duration of therapy
- Biomarkers for treatment selection
- Long-term outcomes beyond 10 years
- Personalization algorithms
The Call to Action: What Happens Now
For Healthcare Leaders
This is your opportunity to lead rather than follow. The health systems that build comprehensive midlife programs today will own the market tomorrow. Don't wait for competitors to move first.
For Investors
The femtech focus on fertility is saturated. The real opportunity is in the 40-65 demographic with insurance coverage, disposable income, and decades of health to optimize.
For Policymakers
Update clinical guidelines immediately. Ensure coverage parity. Fund research into precision approaches. The societal ROI on getting this right is massive.
For Women
Don't wait for the system to catch up. Educate yourself on the new research. Find providers who understand the critical window. Make decisions based on current science, not historical fear.
The Future We're Building
The black box removal isn't an ending, it's an inflection point. We stand at the threshold of reimagining the entire second half of women's lives.
This is personal for me. My mother finally got proper treatment at 67 outside the critical window but still life-changing for her quality of life.
Between them in my own generation and yours are millions of women who finally have the chance to navigate midlife with science on their side.
This is about more than hot flashes and night sweats. It's about recognizing that the hormonal transition of midlife is as significant as puberty or pregnancy and deserves the same medical attention, societal support, and scientific investment.
The women who benefit from this moment won't just be the ones suffering today. They'll be our daughters, who will inherit a healthcare system that sees menopause not as decline to be endured but as a transition to be optimized.
The black box is gone. Now the real work begins.
The revolution in women's midlife health is just beginning. The question isn't whether to pay attention, it's whether you'll help lead it or struggle to catch up.
Amy is the CEO of Oova Dr. Mary Parman serves as Medical Advisor and is a practicing OB-GYN specializing in menopause care.
About the author

Sources
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- "FACT SHEET: FDA Initiates Removal of 'Black Box' Warnings from Menopausal Hormone Replacement Therapy Products." HHS.gov, 10 Nov. 2025, www.hhs.gov/press-room/fact-sheet-fda-initiates-removal-of-black-box-warnings-from-menopausal-hormone-replacement-therapy-products.html
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