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Q Which immunoglobulin is capable of crossing the placenta?

ID: #9923 Cardiovascular system 130 views
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#9923Q ID
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Cardiovascular systemTopic
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  • A IgG ✔ ✖
  • B IgD ✔ ✖
  • C IgM ✔ ✖
  • D IgE ✔ ✖
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Explanation

Immunoglobulin G (IgG) is the only class of immunoglobulin that is capable of crossing the placenta from mother to fetus. This transfer of IgG antibodies from the mother provides passive immunity to the fetus and helps protect it against infections. The transfer of IgG across the placenta occurs mainly during the third trimester of pregnancy and continues after birth through breast milk. IgD, IgM, and IgE do not cross the placenta.

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