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': 'Not implicated in congenital transmission is: \nSelect and explain. \nA. Hepatitis A, B. Toxoplasmosis, C. Herpes, D. Syphilis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Hepatitis A is transmitted by feco-oral route. vertical transmission is not seen.', 'role': 'assistant'}]