On May 12, 2026, a paper published in The Lancet formally renamed polycystic ovary syndrome. The condition affecting one in eight women worldwide is now polyendocrine metabolic ovarian syndrome — PMOS. The name change followed 14 years of global collaboration and consensus across 56 organizations. What it reflects clinically, and what it demands from primary care, is worth understanding.

You've followed the meal plans, logged the workouts, counted the calories. And still nothing works. For up to 70% of women with PCOS, insulin resistance is quietly driving every frustrating symptom — and until someone addresses that root cause, no amount of discipline will make them disappear.