Journal
HUMAN REPRODUCTION
Volume 23, Issue 8, Pages 1924-1931Publisher
OXFORD UNIV PRESS
DOI: 10.1093/humrep/den239
Keywords
polycystic ovary syndrome; PCOS subgroups; metabolic syndrome; insulin resistance; hyperandrogenism
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BACKGROUND: We investigated the differences in anthropometrical, hormonal and insulin resistance parameters according to the subtype of polycystic ovary syndrome (PCOS) in Korean women. METHODS: We recruited 166 women with PCOS and retrospectively recruited 277 controls. PCOS was diagnosed by irregular menstruation (IM), polycystic ovary (PCO) and hyperandrogenism (HA). Subjects were divided into four subgroups: the IM/HA/PCO group (n = 87, 52.4%), the IM/PCO group (n = 52, 31.3%), the IM/HA group (n = 23, 13.9%) and the HA/PCO group (n = 4, 2.4%). Clinical and biochemical variables were compared among the PCOS subgroups. RESULTS: The IM/HA/PCO and IM/HA groups showed higher body mass index (P < 0.001) and waist-to-hip ratio (P < 0.001) than the IM/PCO group. The IM/HA group had higher triglyceride levels than the other groups (P < 0.001). Higher fasting insulin (P < 0.001) and postprandial 2 h insulin (P < 0.01) were noted in the IM/HA/PCO group and the IM/HA group, compared with the IM/PCO group. Women with PCOS showed lower sex hormone-binding globulin (P < 0.001) and higher systolic blood pressure (BP) (P = 0.004), diastolic BP (P = 0.001), fasting insulin (P < 0.001), postprandial 2 h insulin (P < 0.001), homeostatic model for insulin resistance (P < 0.001) and clinical and biochemical parameters of metabolic syndrome (P < 0.05) compared with subjects without PCOS. CONCLUSIONS: Women with PCOS without HA are common in Korea and are less likely to have metabolic dysfunction, insulin resistance and elevated BP. PCOS without HA may be a mild phenotype of PCOS. Therefore, women with PCOS in Korea could have a reduced likelihood of having metabolic syndrome compared with women of other ethnicities.
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