Background and objective: Thi s study was
conducted to assess the prevalence and clinical
features of polycystic ovary syndrome (PCOS) among
high school-age Thai adolescents in Khon Kaen.
Materials and Methods: This was a cross sectional
study in which 385 adolescents aged 15 to 18 years
were enrolled. The diagnosis of PCOS was made
according to the criteria issued by the International
Consortium of Pediatric Endocrinology (ICPE).
Results: The prevalence of PCOS among participants
was 1.81%. Oligomenorrhea was the most common
form of abnormal menstruation among participants
with PCOS. Of the seven participants with PCOS, five
had evidence of clinical hyperandrogenism according
to their modified Ferriman-Gallwey scores, and two
were noted as having clinical hyperandrogenism based
on the presence of moderate acne vulgaris. Five of
the seven participants with PCOS were found to have
biochemical hyperandrogenism.
Conclusion: The prevalence of PCOS in the present
study was 1.81%. The most common abnormal
menstruation pattern among the patients with PCOS
was oligomenorrhea. Clinical hyperandrogenism was