This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Drugs in Pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'Vaccine routinely administered in pregnancy: \nSelect and explain. \nA. Rabies, B. Oral polio, C. Influenza, D. Tetanus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Young infants are at increased risk for death from neonatal tetanus and are entirely dependent on passive immunization from maternal antibodies until the infant vaccine series is initiated at age of 6 weeks For this reason, Tetanus vaccine is recommended and is safe for pregnant women.', 'role': 'assistant'}]