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Risk Factors for Endometrial Cancer: Results from a Hospital-Based Case-Control Study

  • Andarieh, Maryam Ghanbari (Infertility and Reproductive Health Research Center, Health Research Institute, Babol University of Medical Science) ;
  • Delavar, Mouloud Agajani (Department of Midwifery, Babol University of Medical Science) ;
  • Moslemi, Dariush (Department of Radiation Oncology, Babol University of Medical Science) ;
  • Esmaeilzadeh, Sedighe (Department of Obstetrics and Gynecology, Babol University of Medical Science)
  • Published : 2016.10.01

Abstract

Objectives: The purpose of this investigation was to examine the association between endometrial cancer and possible etiological agents. Methods: A case-control study was conducted in Iran between March 2012 and May 2016. The demographic and reproductive factors of 205 women with endometrial cancer were compared, and 590 healthy cases were participated in the control group. For each endometrial cancer case, there were three controls, who were matched in terms of age and residence. The data were considered significant at $p{\leq}0.05$. Results: After adjusting the variables, the nulliparity (OR 6.23, 95% CI 2.86-13.59), the nulligravidity (OR 5.94, 95% CI 2.51-14.06), the positive family history of reproductive cancer (OR 4.97, 95% CI 2.33-10.59), the infertility history (OR 2.38, 95%CI 1.32-4.31), the obesity ($BMI{\geq}25$) (OR 1.71, 95% CI 1.16-2.52), the early menarche age (<12 years) (OR 2.10, 95% CI 1.17-3.75), and the hormonal contraception use (OR 1.69, 95% CI 1.15-2.49) were found to be associated with an increased risk of endometrial cancer. Nevertheless, the education level, the job of women, the marital age, the leisure activities, and the breast feeding were not found to be associated with the endometrial cancer after adjusting the variables. Conclusion: Scheduling of the screening program is vitally indispensable to identify endometrial cancer in women with nulliparity, nulligravidity and the positive family history of cancer. In addition, women with early menarche, those with the history of infertility, the obese ones, and those who use contraception pills need to be particularly aware of the potential risks.

Keywords

Endometrial cancer;risk factors;case-control;parity;gravidity;positive family history

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