Antibody transferred from mother to foetus -: (A) IgG, (B) IgM, (C) IgD, (D) IgA
Answer is A. IgG is the main serum immunoglobulin consisting of 80% of the total. equally distributed between intravascular and extravascular compaments. IgG is the only maternal immunoglobulin that is normally transpoed across the placenta and provide natural passive immunity in the newborns. Reference : Anathanarayan & paniker's 9th edition, pg no: 96,97 <\p>