Table 1.
Four major clinical phenotypes of PCOS.
| Feature | Phenotype A | Phenotype B | Phenotype C | Phenotype D |
|---|---|---|---|---|
| Biochemical/clinical hyperandrogenism | + | + | + | − |
| Chronic anovulation | + | + | − | + |
| Polycystic ovaries | + | − | + | + |
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