This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
[{'content': 'The most common complication of IUCD is: \nSelect and explain. \nA. Ectopic pregnancy, B. Bleeding, C. Backache, D. Cervical stenosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is b, i.e. BleedingRef: Park 20th/ed, p428Complication of IUCD* M/C complication-Bleeding* IInd M/C complication-Pain* Infection-Doxycycline 200mg/azithromycin 500mg should be given 1 hour before insertion to reduce infection.* Most typical infection associated with Cu T use is actinomyces.* Ectopic pregnancy-It is seen that ectopic pregnancy is 50% less likely in women using IUCD than in women using no contraception.', 'role': 'assistant'}]