Introduction & Objective: Polycystic ovary syndrome (PCOS) is a heterogeneous disorder that affects 5-10% of women of reproductive age patients with this syndrome one of the high risk groups for type 2 diabetes mellitus in future. This study was carried out to determine the prevalence of PCOS in patients with type 2 diabetes mellitus.

Materials & Methods: One hundred women under 45 years with type 2 diabetes treating with diet or hypoglycemic drugs, referred to Kerman diabetic center in 2005 were identified. Women with galactorrhea or history of thyroid dysfunction were excluded from the study. Data were collected through interview and then data of 92 women were analyzed using t-test and x2.

Results: Ninety two women enrolled in the study and 18 cases (19.5%) had clinical symptoms of PCOS. The mean of age was 38 years (38.76±5.92 years). The mean age of women with PCOS was 34.89±3.96 and that of normal women was 39.7±5.96 years (P<0.05). The mean of body mass index in women with PCOS was 28.19±4.4 kg/m2 and in normal women was 26.06±3.83 kg/m2 (P<0.05). 38.9% of women with PCOS and 14.8% of normal women had abdominal obesity (P<0.05). There was no significant relation between familial type 2 diabetes, gestational diabetes with PCOS (P>0.05). 

Conclusion: This study indicated women with type 2 diabetes mellitus had a higher prevalence of polycystic syndrome. Android obesity is associated with the increased risk of type 2 diabetes in women with PCOS.