alexa Phenotypic spectrum of polycystic ovary syndrome: clinical and biochemical characterization of the three major clinical subgroups.
Reproductive Medicine

Reproductive Medicine

Reproductive System & Sexual Disorders: Current Research

Author(s): Chang WY, Knochenhauer ES, Bartolucci AA, Azziz R

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Abstract OBJECTIVE: We tested the hypothesis that the three clinical phenotypes of polycystic ovary syndrome (PCOS) represent forms of the same metabolic disorder. DESIGN: Prospective cohort analysis. SETTING: University-based tertiary care. PATIENT(S): Three-hundred sixteen untreated consecutive women diagnosed as having PCOS. INTERVENTION(S): None. MAIN OUTCOME MEASURE(S): Each subject underwent an evaluation of ovulatory function, body habitus, acne, and hirsutism; serum free and total testosterone (T), 17-hydroxyprogesterone (17-HP), and DHEAS; and fasting plasma glucose and insulin levels. Insulin resistance and beta-cell function were assessed using the homeostatic assessment model equation (HOMA-IR and HOMA-beta-cell, respectively). RESULT(S): The Oligo+HA+Hirsutism phenotype was present in 48\% of subjects, Oligo+HA in 29\%, and Oligo+Hirsutism in 23\%. The three phenotypes did not differ in mean body mass index, waist-to-hip ratio, racial composition, degree of oligo-ovulation, prevalence of acne, or family history of hyperandrogenic symptomatology. However, subjects demonstrating the Oligo+HA+Hirsutism phenotype were the youngest and had the greatest degrees of hyperandrogenemia, hyperinsulinemia, and beta-cell function; patients with the Oligo+Hirsutism phenotype where the oldest and had the mildest degrees of hyperandrogenemia, hyperinsulinemia, and beta-cell function. Subjects with the Oligo+HA phenotype demonstrated intermediate degrees of hyperandrogenemia and metabolic dysfunction. CONCLUSION(S): We conclude that the three clinical phenotypes of PCOS do not represent forms of the same metabolic disorder and may be the result of varying degrees of metabolic dysfunction; greater degrees of beta-cell function and circulating insulin levels favored the development of hirsutism and frank hyperandrogenemia. This article was published in Fertil Steril and referenced in Reproductive System & Sexual Disorders: Current Research

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