the relationship between intake of dairy products and polycystic ovary syndrome in women who referred to isfahan university of medical science clinics in 2013

background: polycystic ovary syndrome (pcos) is the most common endocrine disorder in reproductive women. nearly 10% of young women in this period involved. although factors such as insulin resistance, hyper insulinemia, obesity and dietary are suggested to be associated with pcos, cause of pcos is not completely understood. dairy products (a key component of the usual diet) of participants can also affect the factors of this disease and may have beneficial effects on treatment of pcos. however, research in this area is scarce. the purpose of this study was to evaluate the relationship between dairy products consumption and pcos. methods: this descriptive cross‑sectional study of 400 women was conducted in shahid beheshti hospital of isfahan university of medical science, iran. dietary intake was evaluated by validated food frequency questionnaire. other variables such as ovarian disease, inherited predisposition, age at menarche, physical activity and history of other diseases were evaluated using questionnaire. data analysis was performed by a logistic regression test using spss software version 15 predictive analytics software and solutions. results: there were a significant association between pcos and ovarian disease ( p < 0.001), age ( p < 0.001) and using medication ( p = 0.001). body mass index (bmi) was inversely associated with pcos, but it was not significant ( p = 0.068). there was a significant direct relationship between milk consumption and risk of pcos after adjusting for confounding factors ( p = 0.028). conclusions: the findings of this study indicated that ovarian disease and medication use is directly linked to pcos. dairy consumption was not significantly correlated with pcos. however, after adjustment for confounders, there was an direct relationship between milk consumption and risk of pcos.