Which of the following statements concerning immunoglobulins is wrong -: (A) 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
Answer is D. 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