Decoding androgen excess in polycystic ovary syndrome: Roles of insulin resistance and other key intraovarian and systemic factors

Table 1 Phenotypes for the classification and diagnosis of polycystic ovary syndrome

Phenotype	Synonym	Diagnostic criteria
Phenotype A	Classic phenotype (full-blown PCOS)	Hyperandrogenism + oligo-ovulation + polycystic ovaries
Phenotype B	Classic phenotype (non-polycystic ovaries)	Hyperandrogenism + oligo-ovulation
Phenotype C	Ovulatory phenotype	Hyperandrogenism + polycystic ovaries
Phenotype D	Non-hyperandrogenic phenotype	Oligo-ovulation + polycystic ovaries

PCOS: Polycystic ovary syndrome.