53 Citations (Scopus)


Objective: To study the differences in clinical and biochemical characteristics between obese and nonobese women with polycystic ovary syndrome (PCOS). Design: Retrospective study. Setting: University teaching hospital. Patient(s): Four hundred sixty-four Taiwan Chinese women, among whom 295 were diagnosed with PCOS and 169 were non-PCOS controls. Main Outcome Measure(s): Body mass index, average menstrual interval, modified Ferriman-Gallwey score, acne, total T, and waist-to-hip ratio. Result(s): Obese women with polycystic ovary morphology (PCOM) had a greater risk of developing of PCOS (odds ratio [OR], 2.5; 95% confidence interval [CI], 1.5-10.4) than nonobese women with PCOM. Obese women with PCOM had a higher incidence oligomenorrhea (OR, 2.6; 95% CI, 1.6-4.1) and biochemical hyperandrogenemia (OR, 2.5; 95% CI, 1.6-4.0) than nonobese women with PCOM. Obese subjects with PCOS had a higher risk of developing oligomenorrhea (OR, 2.2; 95% CI, 1.3-3.7) and biochemical hyperandrogenemia (OR, 2.6; 95% CI, 1.6-4.2) than nonobese women with PCOS. Moreover, obese women with PCOS had significantly higher serum total T levels and more prolonged menstrual intervals than nonobese women with PCOS. Notably, the obese women with PCOS presented less acne than the nonobese subjects (OR, 0.5; 95% CI, 0.3-0.9). Conclusion(s): Obese women with PCOS had more severe ovulatory dysfunction and higher serum total T levels than nonobese subjects. Moreover, obese women with PCOS had a significantly lower frequency of acne than nonobese subjects.

Original languageEnglish
Pages (from-to)1960-1965
Number of pages6
JournalFertility and Sterility
Issue number6
Publication statusPublished - Dec 2009


  • acne
  • hirsutism
  • hyperandrogenism
  • obese
  • polycystic ovaries
  • Polycystic ovary syndrome

ASJC Scopus subject areas

  • Obstetrics and Gynaecology
  • Reproductive Medicine


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