This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'Ectopic pregnancy is most commonly associated with: \nSelect and explain. \nA. Endometriosis, B. Congenital tubal anomalies, C. Tuberculosis, D. Tubal inflammatory diseases', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Read the question carefully, it says ectopic pregnancy is most commonly associated with:\n“Pelvic inflammatory disease (PID) increases the risk of ectopic pregnancy by 6-10 fold.”\nDutta Obs. 7/e, p 178\n“The most common cause (of ectopic pregnancy) is previous salpingitis due to sexually transmitted disease such as gonococcal and chlamydial infection or salpingitis that follows septic abortion and puerperal sepsis.”\nShaw 14/e, p 239\n\nAfter one episode of PID – 13%\nAfter two episode of PID – 35%\nAfter three episode of PID – 75%\n\nNote: M/C cause of ectopic pregnancy is PID but Maximum risk of ectopic pregnany is after tubal damage, either due to previous ectopic pregnancy or tubal surgery amongst which previous ectopic is more common.\n“Prior tubal damage either; from a previous ectopic pregnancy or from tubal surgery to relieve infertility or for sterilization confers the highest risk for ectopic pregnancy.”\nWilliams Obs 23/e, p 238', 'role': 'assistant'}]