Background : Ectopic pregnancy (EP), is one of the most important complications of pregnancy and one of the most important factors of maternal mortality in developing countries. Evaluation of the risk factors might be helpful for patients in order to conduct a better management.
The purpose of the present study, was to determine the risk factors of ectopic pregnancy and to compare them between the ago group of more and less than 20 years old. Also, these risk factors were compared between Iranian and Afghans.
Methods: The study was conducted as a case- control study. In this evaluation 308 cases of EP (case group), were compared with 616 cases of normal pregnancy in Akbarabadi Teaching Hospital. All ectopic pregnancies have been confirmed by surgery and pathology. The evaluated factors were age, BMI, smoking, history of previous EP, history of STD, consanguinity, blood group and Rh, history of infertility and abortion, pelvic surgery, marital age, contraceptive methods, previous cesarean section, socioeconomic status, and nationality. Statistical analyses were performed using SPSS version 16. Chi- square test and logistic regression were used for analysis.
Results: Smoking p<0.001, AOR=5.7 (CI 95%= 2.8-11.6)], previous EP p=0.000, AOR= 11.4 (CI 95%= 3-42.4)], previous STD p<0.001, AOR= 3.2 (CI 95%= 2.1-4.9)], previous use of IUD p<0.001, AOR=4.1 (CI 95%= 2.1-8)], history of infertility p=0.01, AOR= 1.8 (CI 95%= 1.1-3)], previous cesarean delivery p=0.03, AOR= 1.5 (CI 95%=1.1-2.3)}, consanguinity, p=0.002, AOR=2.2 (CI 95%= 1.3-3.6)], were considered as risk factors for EP. Age, BMI, previous abortion, socioeconomic status, blood group and Rh, did not show significant relationship with EP.
Conclusion: Smoking, previous EP, history of STD, IUD, infertility, previous cesarean delivery, and consanguinity were, risk factors for EP.
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