Gynaecology & Obstetrics Which of the following factors is not an impoant risk factor for tubal ectopic? A A history of tubal surgery B Intrauterine device (IUD) use C In utero diethylstilbestrol (DES) exposure D History of pelvic inflammatory disease 💡 Explanation Which of the following factors is not an impoant risk factor for tubal ectopic? ✓ Correct Answer: B. Intrauterine device (IUD) use