New characteristics of polycystic ovary syndrome phenotypes according to gas chromatography-mass spectrometry-based study of urinary steroid metabolome.

Background: The most common cause of hyperandrogenism in women is polycystic ovary syndrome (PCOS), the prevalence of which among women of reproductive age ranges from 8.0 to 21%. The clinical manifestations of PCOS are diverse, and the degree of metabolic and hormonal disorders depends on the PCOS phenotype.