Which antibody is the only one capable of crossing the placenta from a pregnant woman to her developing fetus?
A)IgE
B)IgG
C)IgM
D)IgA

Name: Which antibody is the only one capable of crossing the placenta from a pregnant woman to her developing fetus? A)IgE B)IgG C)IgM D)IgA
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IgG is the only antibody capable of crossing the placenta from a pregnant woman to her developing fetus. This is important because it provides passive immunity to the fetus until its immune system is fully developed.

Which Antibody Is the Only One Capable of Crossing the Placenta