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': 'Most common infection associated with IUCD use is \nSelect and explain. \nA. Chlamydia, B. Staphylococcus epidermidis, C. Staphylococcus aureus, D. Group D Streptococcus', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a.Chlamydia Infections with chlamydia and actinomyces are most common with use of IUCD', 'role': 'assistant'}]