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    What is Rubella antibody IgG Test?

    The Rubella Antibody IgG test is a vital tool for assessing immunity against the rubella virus (RuV). Rubella, commonly referred to as German measles, is a viral infection caused by the RuV virus, which spreads easily from one person to another. It typically results in mild symptoms, such as a low-grade fever and a rash that begins on the face and gradually spreads across the body. Although rubella is generally mild, it can be highly dangerous for pregnant women, potentially causing congenital rubella syndrome (CRS) or even miscarriage. CRS, especially during the first trimester, is linked to severe birth defects such as hearing loss, cataracts, and heart defects.

    The Rubella IgG test measures IgG antibodies that develop either after exposure to the rubella virus or following vaccination. These antibodies persist for life, providing long-term protection. The rubella vaccine, which is part of the MMR (measles, mumps, rubella) vaccine, is highly effective at preventing rubella. For women planning to conceive, verifying immunity is crucial, as contracting rubella during pregnancy can have severe consequences for the baby. Routine rubella antibody testing is highly recommended for those planning pregnancy or uncertain of their vaccination status.

    If you're located in Noida and need to check your immunity to rubella, booking a Rubella Antibody IgG test from home is a simple and reliable way to ensure you’re adequately protected.

    Rubella antibody IgG Test Parameters

    The Rubella IgG test measures the levels of IgG antibodies that target the rubella virus.

    These rubella IgG antibodies typically appear around the fourth day after a rash develops and reach their highest concentration within two weeks. These antibodies remain in the body for a lifetime, signifying past exposure or vaccination. When recent rubella exposure is suspected, rubella-specific IgG antibodies are key in assessing immunity and diagnosing the infection. A four-fold or greater increase in rubella-specific IgG antibodies after childbirth can indicate an active infection or reinfection. For pregnant individuals exposed to rubella, testing these antibodies is crucial to assess immunity.

    In congenital rubella cases, rubella-specific IgG antibodies can confirm infection by tracking their persistence or rise during the first six to 12 months of a child's life. Detecting rubella-specific IgG antibodies is a reliable marker for both immunity and recent infection, making this test an essential tool for protecting against rubella.

    Rubella antibody IgG Test Preparation

    Before taking a Rubella IgG test at home, here are a few points to note:

    • Prerequisites

    You do not need to fast before undergoing the Rubella IgG test.

    • Best Time to Get Tested

    The best time to test for IgG antibodies is around four days after a rash has appeared. Always consult a doctor for guidance on the best time to take the test.

    • Who Should Get a Rubella IgG Test?

    Pregnant women or those planning to become pregnant should consider this test to confirm their rubella immunity. It’s also suitable for anyone showing rubella symptoms, individuals who have been exposed to the virus, or those checking their vaccine or infection history.

    • Cautions Before Taking a Rubella IgG test

    It is crucial to inform your doctor if you have already received the rubella vaccine, as this can impact the interpretation of the test results.

    Why Take the Rubella antibody IgG Test?

    The Rubella IgG test is important for various reasons related to detecting immunity and diagnosing infections. Here are the key reasons for its use:

    • To Ensure Immunity in Pregnant or Future Mothers This test is especially important for pregnant women or those planning a pregnancy, as it verifies immunity to rubella. Having immunity is crucial to safeguard both the mother and her baby from risks like congenital rubella syndrome.

    • To Confirm a Recent or Ongoing Rubella Infection If a person displays signs of a viral infection, the Rubella IgG test can help determine if rubella is the cause. IgM antibodies indicate an active or recent infection, while IgG antibodies suggest immunity due to previous infection or vaccination.

    • To Check Immunity After Vaccination This test is also used to confirm if someone has been successfully vaccinated against rubella. Detecting rubella-specific IgG antibodies shows immunity either from a previous infection or from vaccination.

    • To Diagnose Congenital Rubella in Newborns If a newborn has developmental problems, the Rubella IgG test can help check for congenital rubella. This test is crucial for early diagnosis and management of the condition.

    • For Healthcare Providers Who Work with Pregnant Women Healthcare professionals in regular contact with pregnant women may need to take the Rubella IgG test to confirm their immunity. If they are not immune, vaccination may be advised to prevent the spread of rubella and protect patients

    .

    Rubella antibody IgG Test Results and Interpretation

    Rubella-specific IgG antibodies indicate whether a person has immunity from previous infection or vaccination, or if they might be at risk of contracting the virus. The table below summarises the test results:

    ParameterBiological ReferenceInterpretation
    Rubella Antibody IgG TestNegative: <10 IU/mL Equivocal: 10-14 IU/mL Positive: => 15The Rubella test helps diagnose rubella infection and evaluate immunity. A positive result typically signifies immunity from prior infection or vaccination. Confirm a positive anti-rubella IgG result by retesting after three weeks to check for an increase or stabilization of IgG levels. A significant rise in IgG suggests an active rubella infection, while no increase does not eliminate the possibility of infection. A negative result indicates no previous exposure to rubella.

    Please Note: In individuals who have been vaccinated, the rubella virus may be found in respiratory secretions for up to four weeks post-vaccination, and antibodies can persist for 16 years or even a lifetime in approximately 95% of cases. In congenital rubella cases, antibody levels may diminish by ages 3 to 4, meaning a negative result in older children does not definitively rule out congenital rubella.

    FAQs on Rubella antibody IgG Test in Noida

    The cost of a Rubella IgG test in Noida is ₹900. This includes complimentary home sample collection, which will take place within 60 minutes after booking. You’ll receive the test results within 83 hours of the sample collection.

    Yes, home sample collection is offered for the Rubella IgG test in Noida. Once you book, an eMedic will visit your location within 60 minutes to collect the sample.

    The Rubella IgG test checks for immunity to the rubella virus, either from vaccination or previous infection. It’s particularly important for pregnant women or those planning a pregnancy, as well as for healthcare professionals who regularly interact with pregnant patients.

    No, fasting is not required for the Rubella IgG test.

    To schedule a Rubella IgG test with Orange Health Labs in Noida, please follow these steps:

    Search for the Test: Type "Rubella IgG test in Noida" or "Rubella IgG test at home" into the search bar and select Orange Health Labs from the available choices.

    Book the Test: Examine the test information and choose a convenient time for sample collection.

    Sample Collection: A certified eMedic will come to your residence to gather the blood sample.

    Sample Processing: Your sample will be tested at a laboratory approved by ICMR and accredited by NABL.

    Receive Results: You will get your results via email or WhatsApp within 83 hours, and they will also be accessible through our app.

    A positive Rubella IgG result typically indicates immunity from a prior infection or vaccination. This result suggests that the individual has likely been exposed to the virus and developed immunity. Conversely, a negative result signifies no previous exposure to rubella.

    After you book the test, an eMedic will collect your sample within 60 minutes, and you can expect the results within 83 hours.

    The frequency of the Rubella IgG test depends on your health status. Women who are planning to conceive or those who have been recently exposed to rubella should consult their healthcare provider for guidance on how often to test.

    The Rubella IgG test assesses the level of IgG antibodies, showing the immunity to the rubella virus from past infection or vaccination.

    Fasting is not necessary prior to the Rubella IgG test.

    Orange Health offers Rubella IgG tests with home sample collection across Noida, including areas such as Sector 1, Sector 15, Sector 18, Sector 26, Sector 37, Sector 50, Sector 62, Sector 76, Sector 93, Sector 100, Sector 104, Sector 110, Sector 120, Sector 128, Sector 137, Sector 150, Sector 168, Sector 71, Sector 63, Sector 22, Sector 41, Sector 108, Sector 47, Sector 121, Sector 45.

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    References

    1. Serology Testing for Rubella [Internet]. Rubella (German Measles, Three-Day Measles). CDC. 2024  Available from:  https://www.cdc.gov/rubella/php/laboratories/serology-testing.html
    2. Rubella (German Measles): Symptoms, Treatment & Prevention [Internet]. Cleveland Clinic. 2023  Available from:  https://my.clevelandclinic.org/health/diseases/17798-rubella
    3. Rubella Test [Internet]. Children’s Hospital at Montefiore Einstein (CHAM). 2024  Available from:  https://www.cham.org/HealthwiseArticle.aspx?id=hw5576#hw5579
    4. Malliany Camejo Leonor, Mendez MD. Rubella [Internet]. Nih.gov. StatPearls Publishing; 2023  Available from:  https://www.ncbi.nlm.nih.gov/books/NBK559040/
    5. Rubella IgG antibodies [Internet]. Gloucestershire Hospitals NHS Foundation Trust. ; 2024  Available from:  https://www.gloshospitals.nhs.uk/our-services/services-we-offer/pathology/tests-and-investigations/rubella-igg-antibodies/