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. Author manuscript; available in PMC: 2022 Mar 1.
Published in final edited form as: Endocrinol Metab Clin North Am. 2021 Mar;50(1):11–23. doi: 10.1016/j.ecl.2020.10.002

Table 1:

Misclassification of Rotterdam PCOS Phenotypes

HA OD PCOM Interpretation
Each criterion appropriately assessed NIH phenotype
HA not detected due to use of incorrect TT or FT assay Non-NIH Rotterdam phenotype
Anovulation not detected due to reported regular menses Non-NIH Rotterdam phenotype
Ovarian morphology not detected due to technology, operator, or patient factors NIH phenotype