By Pearl Barrett and Serene Allison
PCOS has a new name. As of May 2026, the condition long known as Polycystic Ovary Syndrome (PCOS) is officially Polyendocrine Metabolic condition, or PMOS. We could not be more pleased.
For decades, the “cystic” framing has misled both patients and clinicians. Women would arrive at their doctor’s office with the classic picture, high insulin, stubborn weight, and sometimes but not always, acne, irregular cycles, and facial hair. Only to be told their ovaries looked “normal” on ultrasound and they didn’t have PCOS. The diagnosis hinged on a feature that isn’t even the central problem, and countless women have spent years suffering with a real condition that was never properly named.
The rename says everything. PMOS is a multi-system condition affecting metabolism, hormones, skin, and mental health, with insulin resistance at its core. The new name puts that truth front and center. Women with elevated insulin, stubborn weight, cycle issues, and skin or hair changes will now be seen and diagnosed even when their ovaries look normal on a scan. More awareness means better outcomes for more women. Roughly one in eight women is living with this condition, but those undiagnosed are far more. It is thought that up to 20% of women in their fertile years are living with this issue.
What we want every woman with this condition to hear first is that we see what you’re up against. This is severe insulin resistance: high blood sugar, high insulin, and sex hormones all over the place. And yes, it can make weight feel impossible to shift, no matter how hard you try. It can sometimes interfere with fertility and the chance to conceive and grow a life. But at its roots, it’s the same metabolic slowdown postmenopausal women experience, with waning hormones and declining muscle. It is largely an insulin issue, except it’s happening to women in their teens, twenties, and thirties, a time when their metabolism would normally be thriving.
PMOS is chronic, but there is so much hope. Chronic doesn’t mean unmanageable, and for many women, it can go into deep remission. My (Pearl speaking) daughter, Meadow, was diagnosed as a teenager. The standard advice of a strict low-carb diet actually made things worse. When she shifted to gentle, fiber-rich carbs, anchored her meals around lean protein, added movement, added more veggies, and incorporated the help of a supplement called mayo-inositol, her insulin numbers dropped, her cycles normalized, and the condition resolved itself. That’s an encouraging pattern we have seen with other women, too!
Yes, some suffer more severely. Sometimes women need more powerful tools. We’ll cover those soon. But for any woman with PMOS, lifestyle and movement are the foundation to healing.
Four things consistently move the needle
1 – Anchor every meal in protein – PMOS 101 – get 25 to 30 grams, four times a day. Protein is the body’s natural stimulator of GLP-1, the same incretin hormone the new weight-loss drugs mimic. Women with PMOS have been shown to have reduced GLP-1 release in their own guts, so protein is key to the beginning of repair.
2 – Don’t shun healthy carbs and get in wise fats – Yes, ditch sugar and processed foods, but despite the common advice to avoid them, healthy carbs are necessary. When anchored with protein, fiber-rich carbs like beans, legumes, and mid-glycemic fruits such as apples and papaya are a powerful insulin resistance weapon. A 2018 University of Saskatchewan trial published in Nutrients found that women with PCOS who included lentils, chickpeas, and beans had significantly greater drops in insulin response than those on a standard control diet. Since women with severe insulin resistance have higher blood sugar, be more mindful about higher sugar carbs like white potatoes, bananas, and grapes. Once your blood sugar starts coming under better control, these foods can usually be added back in moderation. Wise fats such as avocado, whole eggs, butter, and coconut oil in moderation are crucial for endocrine health. If fat needs to be shed, the Trim Healthy Mama approach is to separate meals into ones that focus on either wise fats or wise carbs, keeping protein in all meals.
3 – Add More Veggies – Non-starchy veggies clean out tiny fat droplets from muscle and liver cells, reducing insulin resistance. Fat droplets inside muscle tissue have recently been found to be the largest reason for insulin resistance. Veggies help scrub them out.
4 – Move Your Body – You don’t have to boot camp yourself to exhaustion, but 2-3 strength training sessions a week turn muscle into a glucose sponge. Gaining back clean, lean body mass is key to walking out of insulin resistance. Punishing high-intensity cardio often spikes cortisol and works against you. A simple rhythm of strength training with walking is doable and extremely effective.
Women Have Been Lied To
A word about oral birth control. The standard medical answer for PMOS has long been the pill, and the visible symptoms can appear to improve on it because testosterone gets shut down. But the pill doesn’t fix the underlying condition. It places the ovaries into a chemically induced menopause and replaces the body’s own hormones with synthetic estrogen and synthetic progestin. It raises C-reactive protein, a marker of systemic inflammation. It raises rates of depression, heart disease, blood clots, and breast cancer risk, and lowers libido. It can also worsen thyroid problems, which is no small thing for women with PMOS, who already tend to run lower on both thyroid hormones and the incretin hormones that regulate appetite and blood sugar.
For more severe cases, there are some safer tools worth knowing about. Start with proper thyroid testing. Most doctors check TSH and T4, but women with PMOS need free T3 and Reverse T3 measured alongside them; restoring thyroid function with the right hormone support can make a profound difference. Next is bioidentical progesterone. In Gynecological Endocrinology, Dr. Helen Buckler showed that progesterone normalizes the elevated LH driving excess testosterone in PCOS, and inhibits the enzyme that converts testosterone into the androgen that causes acne. Dr. Jerilynn Prior, a professor of endocrinology and metabolism, writes that bioidentical progesterone “may help the brain develop the normal cyclic rhythm that is missing in PCOS.”
Finally, for the most severe cases, a small, carefully prescribed dose of a GLP-1 medication may be needed when the body simply isn’t making enough on its own.
PMOS is real. But so is the room to improve, and women deserve to hear that too.
