Most abundant antibodies are

IgG

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IgA

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IgM

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IgE

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Solution

The correct option is A IgG
IgG antibodies are found in all body fluids. It is present in 75% to 80% of all the antibodies in the body. IgG antibodies are very important in fighting bacterial and viral infections. IgG antibodies are the only type of antibody that can cross the placenta in a pregnant woman to help protect the foetus.

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