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RUBELLA IGG

About the test
What is this test done for?
The Rubella IgG test is a test to detect antibodies present in the body to protect one from getting rubella virus, to verify a recent or past infection.
Why is it Done?

The test is done to detect the antibodies in the blood that develop in response to a rubella infection or immunization. It is also done to:

  • Detect past or recent infections
  • Test women who are planning to conceive or have conceived, have enough titer to protect them from infection.
  • Identify the people who have not been exposed and vaccinated.
When should it be performed?

The test is ordered when:

  • A woman is planning to conceive or is pregnant as part of prenatal checkup.
  • One has to be screened for immunity against rubella
  • When a pregnant woman has mild fever, rashes, stuffy nose, joint pains, swollen lymph nodes.
How is it done
A blood sample will be collected from a vein in your arm. For doing Rubella IgG, fasting is not needed prior to sample collection.
Results
  • If Rubella IGG is absent in adults, it could mean that the person has not been affected by the rubella virus.
  • If it is present in adults, the person would have had past infection or would have been vaccinated and developed immunity against the virus.
  • In a new born, if rubella IGG is positive, then it suggests that mother’s antibodies have passed in baby in uterus and may protect the baby from the virus if IgM should not be present.
Other Tests
Detection of rubella virus can be done by testing genetic material RNA from body fluid like throat swab.
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