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PALM BEACH, FLA. -- There is a high prevalence of autoimmune thyroiditis in women with polycystic ovary syndrome, according to a prospective study presented at the annual meeting of the American Thyroid Association.
The study showed a threefold higher prevalence of autoimmune thyroiditis in patients with polycystic ovary syndrome (PCOS), compared with controls. "All patients with PCOS should be screened for autoimmune thyroiditis, even without evidence of overt thyroid dysfunction," said study researcher Dr. Onno E. Janssen of the University of Essen (Germany).
Because of their anovulatory cycles, women with PCOS have an increased ratio of estrogen to progesterone. Previous research has suggested that women with this increased ratio also have a higher prevalence of autoimmune thyroiditis.
Dr. Janssen and his colleagues conducted a prospective study to further evaluate a possible association between PCOS and autoimmune thyroiditis. They assessed 175 women with PCOS and 168 age-matched control subjects. Women were said to have PCOS if they had at least two of the following: hyperandrogenemia, ...
Source: HighBeam Research, PCOS, autoimmune thyroiditis link studied: thyroiditis risk up...