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Defining the polycystic ovary
The polycystic ovary contains 12 or more follicles measuring 2-9 mm in diameter
and/or increased ovarian volume (>10 cm3)
Balen, Laven, Tan & Dewailly; Hum Reprod Update 2003; 9: 505 (Rotterdam, ESHRE/ASRM Consensus 2003)
Using latest US technology 25 follicles / ovary
Dewailly et al, HR Update 2011
Anti-Müllerian Hormone
Proposed as most accurate marker for PCOS
Correlates well with AFC - best with 2-5 mm follicles (although 5-8mm follicles make greatest contribution)
No consensus
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Pigny et al JCEM 2003; 88:5957 Laven et al JCEM 2004; 89:318 Casadei et al Gyn Endo 2013; 29:545 Dewailly et al Hum Rep 2014; 26: 3123
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