This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Infections in pregnancy, Subject name: Gynaecology & Obstetrics
[{'content': 'In which of the following periods the fetus is most likely to be affected if the mother has varicella zoster infection? \nSelect and explain. \nA. 8-14 weeks, B. 14-28 weeks, C. 28-32 weeks, D. 32-37 weeks', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Transmission of chickenpox is maximum between 13 - 20 weeks & peripaum period In women with chicken pox during the first half of pregnancy, the fetus may develop congenital varicella syndrome.', 'role': 'assistant'}]