Rubella Virus - IgG
Understanding Rubella Virus - IgG
What is Rubella Virus - IgG?
Rubella virus IgG, also known as a 3-day measles test, is done to determine the presence of rubella antibodies and detect a recent or past rubella infection. Rubella is a viral infection caused by the rubella virus and can spread very easily through close contact and even air. Our immune system produces two kinds of antibodies (IgG and IgM) in response to the antigens of the Rubella Virus. Rubella IgG is an antibody that stays for a lifetime in the blood.
The doctor may prescribe this test if you show symptoms like red or pink rashes, mild fever, muscle pain, and aching joints. If the infection occurs in the first three months of pregnancy, the fetus might get affected & can cause miscarriage, stillbirth, or congenital rubella syndrome (CRS).
What is Rubella Virus - IgG used for?
The Rubella Virus - IgG test is done:
As a screening test in pregnancy
In case of symptoms of rubella such as fever and rash
In the case of newborns showing abnormal signs of development or birth defects
To detect recent or past rubella infection
Interpreting Rubella Virus - IgG results
Interpretations
Result in % | Avidity |
< 30 | Low |
30 - 40 | Equivocal |
> 40 | High |
Reference range may vary from lab to lab*
Answers to Patient Concerns & Frequently Asked Questions (FAQs) about Rubella Virus - IgG
Frequently Asked Questions about Rubella Virus - IgG
Q. Is there any preparation required before the test?
Q. How many types of rubella antibodies can be detected by the lab tests?
Q. When is Rubella Virus - IgG test advised?
Q. How is the blood sample taken?
Q. Is there any risk associated with the withdrawal of blood sample procedure?
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