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Mnemonics to remember two important facts about IgG: Most common type of antibodies, crosses the placenta
| Types of Antibodies |
| 1) IgG: – IgG is the most common type of antibody found in blood circulation – the only class of immunoglobulins able to cross the placenta and to reach the fetal circulation. – Highest opsonization and neutralization activities. – Classified into four subclasses (IgG1, IgG2, IgG3, and IgG4). |
