PCOS Has Been Renamed And I've Been Waiting for This Moment

I have spent years watching women suffer with a diagnosis that never told the full story. Irregular periods. Hair loss. Unexplained weight gain. Acne. A testosterone level that doesn't make sense. And a doctor handing them a prescription or a birth control pill with a shrug, as if that's the best we can do.

It's not. And the medical world is finally starting to catch up.

This week, PCOS, polycystic ovarian syndrome, was officially renamed PMOS: Polyendocrine Metabolic Ovarian Syndrome. The consensus was published in The Lancet on May 12, 2026, and it is the result of a 14-year global effort led by Monash University, involving 56 leading academic, clinical, and patient organizations, and more than 14,000 survey responses from women and health professionals around the world.¹

And while a name change might seem small, I want you to understand why this matters so deeply.

Your Body Was Never Broken. The Name Just Was.

The old name pointed to cysts on the ovaries as the defining feature of this condition. But here's what I've been saying for years: cysts are a symptom, not the cause. As Dr. Alla Vash-Margita, associate professor at Yale University School of Medicine, put it: "By calling this condition polycystic ovary, we're missing the big picture. There was a lot of stigma and myth related to this name. People thought they have large cysts, which they do not have."

The real story — the one your body has been trying to tell you all along — is that this is a metabolic condition rooted in insulin resistance. PMOS finally says that out loud.

The new name was deliberately constructed to correct three specific failures of the old one:

• Polyendocrine — recognizes multiple interacting hormonal disturbances, including insulin, androgens, and neuroendocrine hormones

• Metabolic — acknowledges the inherent metabolic features: insulin resistance, obesity risk, and increased risk for type 2 diabetes and cardiovascular disease

• Ovarian — retains the connection to ovulatory dysfunction and infertility, which remain defining features¹

This condition affects more than 170 million women worldwide, 1 in 8. And for far too long, those women have been given a name that pointed them in the wrong direction.

What the Research Actually Shows

The Lancet consensus confirms what so many of us in functional and integrative medicine have understood for a long time: 85% of women with PMOS have insulin resistance, including 75% of lean women. This is not just about weight. This is about how your cells are responding to insulin, and how that one imbalance sets off a cascade that disrupts your testosterone, your estrogen, your progesterone, your cycle, your skin, your mood, all of it.

When insulin is chronically elevated, it signals your ovaries to overproduce testosterone. That's your classic PMOS picture. And no amount of hormonal band-aids will fix it if we don't go to the root.

When you bring your metabolic health back into balance, when you work to get your hemoglobin A1C closer to 5.0, when you lower insulin through fasting and the right food choices, those hormonal symptoms often begin to resolve on their own. Because you're finally addressing the cause.

What This Means for Treatment and What to Watch Out For

The renaming to PMOS has an immediate real-world impact: doctors can now more readily prescribe GLP-1 medications for this condition, and insurance is far more likely to cover it. For the millions of women who have been dismissed, gaslit, or left without answers, that access to care matters.

But I want to be honest with you, because that's what you deserve.

GLP-1 drugs work pharmacologically. They change your body through medication. And for some women, they may be a necessary tool. But they do not teach your body to regulate insulin on its own. They are not the exit ramp.

A fasting lifestyle is the exit ramp.

How Fasting Addresses the Root

When you pair a fasting practice with your PMOS journey — or when you use fasting as your primary tool, you are giving your body a real physiological foundation. You are teaching your cells to become insulin sensitive again. You are working with your body's brilliant design, not around it.

Here's something that always stops women in their tracks when I share it: the outer cells of your ovaries actually repair incredibly well in a fasted state through a process called autophagy. Years of high insulin can cause these cells to become sluggish, but a consistent fasting practice can help reverse that.

The key is knowing when in your cycle to fast and how to vary your fasting lengths to support your hormones, not stress them. This is the heart of the Fasting Cycle, which I lay out in full in Fast Like a Girl:

During your Power Phases (Days 1–10 and Days 16–19), your sex hormones are at their lowest — making these the ideal windows for longer fasts that trigger autophagy, lower insulin, and support ovarian repair.

During your Manifestation Phase (Days 11–15) and Nurture Phase (Day 20 through bleed), you pull back, fast shorter or not at all, and focus on nourishing your hormones with the right foods.

I have watched women in this community resolve PMOS symptoms they had been told were permanent. Not because they found the right pill, but because they found the right lifestyle. That is what is possible for you.

This Is a Moment for Women's Health

I'll be honest — this rename is one of those moments where I feel a deep sense of validation for every woman who was told her symptoms were "just hormones" or that there was nothing more to be done.

Our bodies are not broken. They have been misunderstood.

And every time science catches up to what our bodies have been signaling all along, we get to move forward — together.

I did a full breakdown of this on YouTube, including what the Lancet study found and what it means for how we approach PMOS going forward:

If you have been navigating a PMOS diagnosis, or if you've felt dismissed and out of answers, please know you are not alone. And you are not without options. Drop your thoughts in the comments. Where are you in your journey, and what does this news mean for you?