title: Prevalence of polycystic ovary syndrome and related disorders in mexican women.
abstract: OBJECTIVE
  Polycystic ovary syndrome (PCOS) has been found to affect 4-8% of women of reproductive age; however, in Mexican-Americans a prevalence of 12.8% has been reported. This study determines the prevalence of PCOS in a sample of Mexican women.
  
  
  METHODS
  This prospective cross-sectional study included 150 female Mexican volunteers aged 20-45 years. Menstrual cycles were recorded and hirsutism was graded. Pelvic ultrasound was performed and androgen levels were measured. PCOS was diagnosed by hyperandrogenism and/or hyperandrogenemia, and oligo-ovulation (NIH 1990 criteria), and also by 2 of 3 findings: oligo-ovulation, clinical and/or biochemical hyperandrogenism and polycystic ovaries (PCO) (Rotterdam 2003 criteria), excluding other disorders.
  
  
  RESULTS
  Nine of the 150 women were diagnosed with PCOS, a prevalence of 6.0% (95% CI: 1.9-10.1%), according to NIH criteria. The ultrasound morphology added one patient to give ten PCOS patients, a prevalence of 6.6% (95% CI: 2.3-10.9%) according to Rotterdam criteria. All PCOS patients presented oligo-ovulation, 9 had hirsutism and 7 of them had acne. Eight of the 10 PCOS patients had morphologic characteristics of PCO.
  
  
  CONCLUSIONS
  The prevalence of PCOS in Mexican women is approximately 6.0%, similar to other populations, but lower than 12.8% reported in Mexican-American women.
authors.affiliation: Direction of Health Research and Training, Medical Unit of High Specialty in Gynecology and Obstetrics No. 4 'Luis Castelazo Ayala', Mexico City, Mexico.
authors.forename: Carlos
authors.initials: C
authors.lastname: Moran
authors.forename: Gilberto
authors.initials: G
authors.lastname: Tena
authors.forename: Segundo
authors.initials: S
authors.lastname: Moran
authors.forename: Paola
authors.initials: P
authors.lastname: Ruiz
authors.forename: Rosario
authors.initials: R
authors.lastname: Reyna
authors.forename: Ximena
authors.initials: X
authors.lastname: Duque
mesh_terms: D000152:Acne Vulgaris / Q000453:epidemiology; D000328:Adult; D000728:Androgens / Q000097:blood; D015992:Body Mass Index; D003430:Cross-Sectional Studies; D005260:Female; D006628:Hirsutism / Q000453:epidemiology; D006801:Humans; D017588:Hyperandrogenism / Q000453:epidemiology; D017058:Mexican Americans; D008800:Mexico / Q000453:epidemiology / Q000208:ethnology; D008875:Middle Aged; D010053:Ovary / Q000000981:diagnostic imaging; D010060:Ovulation; D011085:Polycystic Ovary Syndrome / Q000175:diagnosis / Q000453:epidemiology*; D011446:Prospective Studies; D014463:Ultrasonography; D014481:United States
chemical_list: D000728:Androgens