PCOS has a new name: PMOS. In May 2026, polycystic ovary syndrome was officially renamed polyendocrine metabolic ovarian syndrome after a 14-year global consensus published in The Lancet. As a dietitian for 25+ years, I cheered. The old name made it sound like a cyst problem. The new one puts the real driver front and center: metabolism. Here's what most young women with PMOS are never told 🧵 1/ It's incredibly common, and rising. An estimated 8–13% of women have PMOS, and up to 70% are undiagnosed. Among girls and young women aged 10–24, cases rose about 59% worldwide from 1990 to 2021. Most of the young clients who come to me have it, even when they booked for acne, belly weight, or fatigue. 2/ The pill is a bandage, not a fix. Combined birth control pills work by stopping ovulation. That monthly bleed is a withdrawal bleed, not a true period. It can help symptoms, but it doesn't touch insulin resistance or inflammation. Many women come off it years later to find everything right where they left it. 3/ Lower-carb eating has the strongest evidence. • A 2025 meta-analysis of 7 RCTs (495 women): keto lowered weight, visceral fat, insulin resistance, LH, and testosterone, and raised SHBG. • A low-carb Mediterranean diet beat a low-fat diet for weight, testosterone, insulin, and cycle regularity. • On a low-GI diet, 95% of women had more regular cycles vs. 63% on a conventional healthy diet. 4/ Build your plate around protein and whole-food fats. ⅓ protein (30–40 g), ⅓ vegetables, a generous serving of olive oil, avocado, nuts, or ghee, and a small portion of slow carbs. In a 2025 study, high protein preserved muscle during weight loss: 1.5 kg lost vs. 4.4 kg on standard protein. 5/ Intermittent fasting? It can help, but it isn't magic. A 2026 Nature Medicine trial found a 1–7 p.m. eating window matched calorie counting for weight loss and also lowered the free androgen index and A1c. It didn't fix cycles in six months. 6/ The piece most plans miss: hidden food sensitivities. Even "healthy" foods can keep inflammation and insulin resistance stuck. In my practice, MRT testing with the LEAP protocol often works better than any generic diet. I saw it in my own CGM data. 7/ Supplements can speed things up once the foundation is in place. Myo-inositol, vitamin D, and omega-3s have the strongest evidence. I graded 15 of them in the full guide. Test, not guess. Full evidence-based PMOS diet guide 👇 thehealthyrd.com/pmos-diet/ #PMOS #PCOS #TheHealthyRD