This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'DOC for Chlamydia trachomatis in pregnancy \nSelect and explain. \nA. Amoxicillin, B. Metronidazole, C. Cephazolin, D. Clindamycin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Chlamydial infections during pregnancyThe first line of treatment is erythromycin base 500mg orally, four times a day for 7 days, or amoxicillin 500mg orally three times a day for 7days. Azithromycin is an alternative; it is safe in pregnancy.(Refer: Mudaliar and Menon&;s Clinical Obstetrics, 11th edition, pg no: 253)', 'role': 'assistant'}]