A pregnant woman was detected with IgM to rubella virus. An obstetrician-gynecologist recommended therapeutic abortion due to the high risk of teratogenic affection of the fetus. Detection of IgM was of great importance as it is these specific immunoglobulins that:

Answer options

1. Indicate recent infection
2. Are the main factor of antiviral protection
3. Are associated with anaphylactic reactions
4. Penetrate placental barrier
5. Have the largest molecular weight

Explanation

A pregnant woman was detected with IgM to rubella virus. An obstetrician-gynecologist recommended therapeutic abortion due to the high risk of teratogenic affection of the fetus. Detection of IgM was of great importance as it is these specific immunoglobulins that:immunoglobulin G (IgG), the most abundant type of antibody, is found in all body fluids and protects against bacterial and viral infections.it indicates chronic infection Immunoglobulin M (IgM), which is found mainly in the blood and lymph fluid, is the first/ ACUTE/recent antibody to be made by the body to fight a new infection.