Reproductive endocrinology

Data-driven subtypes of polycystic ovary syndrome and their association with clinical outcomes

Nat MedPublished Cohort study with unsupervised clustering

An erratum to this article was published (Nat Med, Dec 2025 ↗)

Authors' conclusion

These findings advance understanding of PCOS heterogeneity and provide a framework for subtype-based risk stratification and personalized management.

Study context

Population
Women with polycystic ovary syndrome (PCOS)
Participants
11,908 women5 validation cohorts
Exposure
Four data-driven PCOS subtypes
Outcome
PCOS subtypes and reproductive and metabolic trajectories
Follow-up
6.5-year follow-up
Methodological detailsdata-driven subtyping, validated across 5 international cohorts, prospective follow-up
  • Data-driven subtyping
  • Validated across 5 international cohorts
  • Prospective follow-up

Main finding

As reported in the abstract

Four reproducible subtypes identified by unsupervised clustering of 9 clinical variables
4

Observational data: associations, not effects.

Original publication

Data-driven subtypes of polycystic ovary syndrome and their association with clinical outcomes. Nat Med. Published 29 October 2025. doi:10.1038/s41591-025-03984-1

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