Which immunoglobulin is able to pass across the placenta to protect the fetus from pathogens?
A)IgG
B)IgA
C)IgD
D)IgM
E)IgE

Question

Quizplus · Accepted Answer

IgG is the only immunoglobulin that is able to pass across the placenta from the mother to the fetus, providing protection against pathogens. IgA is found in secretions such as saliva and breast milk, IgD is found on the surface of B cells, IgM is the first antibody produced in response to an infection, and IgE is involved in allergic reactions.

Which Immunoglobulin Is Able to Pass Across the Placenta to Protect