Discover easy-to-understand, science-backed information on fertility, IVF, reproductive health, treatment options, and the latest advances in assisted reproduction.

The condition formerly called polycystic ovary syndrome — PCOS — has a new name.
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The new name for what used to be called PCOS — polyendocrine metabolic ovarian syndrome — is a three-word description of what the condition actually is.
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In May 2026, the medical community formally renamed what used to be called polycystic ovary syndrome to polyendocrine metabolic ovarian syndrome, or PMOS1.
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