A 27-year-old patient is pregnant. The blood group of the patient and the fetus are incompatible. Which antibodies produced by the mother against the fetus’s blood cells do not affect the fetus as they are too large to cross the blood-brain barrier?

Group of answer choices

Immunoglobulin G (IgG)

Immunoglobulin D (IgD)

Immunoglobulin M (IgM)

Immunoglobulin E (IgE)

1 answer

Immunoglobulin M (IgM)