Pathology General 34458ddb Half life of IgG is A 1-5 days B 2-8 days C 6 days D 20-23 days High-Yield Explanation Half-life of different immunoglobulins – IgG - About 22 to 25 days IgA - About 6 to 8 days IgM - About 5 days IgE - About 2 to 8 days IgD - About 3 days