PCOS guidelines: 2023 refines 2018, it does not reverse it
Did the 2023 PCOS guideline change everything?
Not really. It builds on 2018 with the same evidence-based core, just a cleaner diagnostic pathway and broader recognition of what PCOS affects[1].
The biggest diagnostic shift is refinement: adults still use the established framework, but 2023 simplifies the algorithm and adds AMH as an alternative to ultrasound in adults only[2][3].
That matters because PCOS is not only a fertility diagnosis.
The 2023 guidance more clearly flags metabolic risk factors, cardiovascular disease, sleep apnea, and very common psychological features[4][5].
It also pushes care to be more practical and patient-centered: better clinician education, evidence-based patient information, improved models of care, and shared decision making[6][7].
The bottom line: the evidence base improved, but it is still generally low to moderate quality, so both guidelines keep calling for much more research in this common, neglected condition[8][9].
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