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: Gynaecology & Obstetrics
[{'content': 'The recommended treatment for pregnant women with syphilis is \nSelect and explain. \nA. Tetracycline, B. Oral pencillin, C. Parenteral pencillin, D. Aminoglycosides', 'role': 'user'}, {'content': "Answer: C \nExplanation: Syphilis therapy during pregnancy is given to eradicate maternal infection and to prevent or treat congenital syphilis. Parenteral penicillin G remains the preferred treatment for all stages of syphilis during pregnancy.(Ref: William's Obstetrics; 25th edition)", 'role': 'assistant'}]