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Long menstrual cycle is associated with type 2 diabetes mellitus in Korean women
- Long menstrual cycle is associated with type 2 diabetes mellitus in Korean women
- Shim U.; Oh J.-Y.; Lee H.J.; Hong Y.S.; Sung Y.-A.
- Ewha Authors
- 성연아; 홍영선; 오지영; 이혜진
- SCOPUS Author ID
- 성연아; 홍영선; 오지영; 이혜진
- Issue Date
- Journal Title
- Diabetes and Metabolism Journal
- vol. 35, no. 4, pp. 384 - 389
- SCOPUS; KCI
- Background: Long menstrual cycle is a risk factor for developing type 2 diabetes and cardiovascular disease in women. We aimed to evaluate the association between existing type 2 diabetes and oligomenorrhea before diagnosis of diabetes, and to observe the differences in this association among obese and non-obese Korean women. Methods: Patients with type 2 diabetes (n=118) and without any clinical evidence of abnormal glucose regulation (n=258) who attended the outpatient clinic of a university hospital and were over age 30. Patients self-reporting a menstrual cycle over 40 days during their 20s were defined as oligomenorrhea before diagnosis of diabetes. Obesity was defined as having a body mass index (BMI) over 25 kg/m 2. Results: The frequency of oligomenorrhea before diagnosis of diabetes was almost two-fold higher in women with type 2 diabetes than in the control group (16.1% vs. 8.5%, P=0.03). Oligomenorrhea was associated with type 2 diabetes after adjusting for age, BMI, systolic blood pressure, triglycerides, and high density lipoprotein cholesterol (odds ratio, 3.89; 95% confidence interval, 1.37 to 11.04). Among women with oligomenorrhea before diagnosis of diabetes, the frequency of type 2 diabetes was significantly higher in obese subjects than in their non-obese counterparts (90.9% vs. 30.0%, P=0.03). Conclusion: Having a long menstrual cycle could be a risk factor for the development of type 2 diabetes, especially in obese women. © 2011 Korean Diabetes Association.
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