1200 1000 800 60%0F Total ADULT LEVE 60%0F 600 IgG ADULT IgG LEVEL 400 300 Maternol IgG Contribulion- 200 Newborn IgG Contribution 150 125 75 75%0F IgM ADULT IgM LEVEL IgA 20%0F 25 ADULT IgA LEVEL MONTHS O 2 102 BIRTH