بررسی تأثیر مواجهه با قرص پیشگیری از بارداری با دوز کم بر سطوح هموسیستئین و اکسید نیتریک در زنان سالم

Introduction: Cardiovascular disease is one of the public health priorities. Consumption of oral contraceptives increase the risk of cardiovascular disease and it still remains a concern. This study aimed to investigate the effect of exposure on pill contraceptive low-dose  levels on homocysteine and nitric oxide. methods: In this cohort ( retrospective+ prospective) study, 100 women with normal menstrual cycle aged betwen 20-35 years old refered to health care centers of Yazd, Iran in 2015.  This study was conducted through face to face interviews by the researcher who asked for demographic and anthropometric characteristics. Anthropometic indices  was measured and the levels of homosysteine and nitric oxide was determined. The data were analyzed using t-test, chi- square test and ANOVA by SPSS 21. Results: The mean and standard deviation of homocysteine levels in the exposed group acompared to non-exposed group were (3/848±2/357 μmol/L) and (3/284±1/616 μmol/L) as well as the mean and standard deviation of nitric oxide in the exposed group were (p-value=0/41) and (181/360±90/44μM) and in the non-exposed group were (162/654±90/913 μM) and (p-value=0/29) , respectively.According to these results, there was not found any statistical significant  difference among these results. Conclusion: Taking low dose oral contraceptives in healthy women did not change any differences in homocysteine and nitric oxide levels as a modifiable risk factors for cardiovascular disease.