This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunology, Subject name: Microbiology
[{'content': 'Which of the following statements concerning immunoglobulins is wrong - \nSelect and explain. \nA. Igm does not cross placenta, B. IgE is | ed in parasitic infection, C. IgM increased in primary response, D. Fetal infection is characterised by increased in IgG', 'role': 'user'}, {'content': "Answer: D \nExplanation: IgM antibodies do not pass across the human placenta. Demonstrating IgM antibodies in a patient's serum indicates recent infection, or in a neonate's serum indicates intrauterine infection Reff: Ananthanarayan & Parkers textbook of microbiology 9th edition pg:98", 'role': 'assistant'}]