13 citations
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August 2018 in “Clinical Chemistry” This study determined that a total testosterone concentration of ≥5.1 nmol/L identified androgen-producing tumors in women with severe hyperandrogenemia, while a lower threshold of ≥2.2 nmol/L was found for diagnosing pathologic hyperandrogenism in postmenopausal women.
9 citations
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February 2020 in “International Journal of Endocrinology” This study found that men with early-onset androgenetic alopecia and certain risk factors may have worse gonadal steroidogenesis and an increased likelihood of developing gonadal dysfunction, suggesting a male equivalent of polycystic ovarian syndrome.
9 citations
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January 2017 in “Ginekologia Polska” This study found that the total testosterone/dihydrotestosterone ratio correlates with a negative metabolic profile in both women with PCOS and healthy women.
November 2025 in “BMC Endocrine Disorders” This study found that in PCOS patients, a lower TT/DHT ratio is associated with regular menstruation, while higher ratios are linked to insulin resistance, suggesting its potential as a biomarker for metabolic severity in these patients.
January 2001 in “대한피부과학회지” This study found no significant differences in plasma DHEA-S and total testosterone levels between female patients with androgenetic alopecia and normal controls, regardless of clinical type or hyperandrogenic symptoms.