Doctor's Assessment Included
Every result includes a professional assessment from a BIG-registered doctor. For treatment decisions, discuss your results with your GP.
Parvovirus B19 IgM
A Parvovirus B19 IgM test detects IgM antibodies against Parvovirus B19 in your blood. The presence of IgM antibodies may indicate a recent or active infection with this common virus, which is known for causing fifth disease (erythema infectiosum) in children.
What It Measures
This test measures the presence of IgM antibodies specific to Parvovirus B19. IgM antibodies typically appear within one to two weeks of infection and may remain detectable for several months. Their presence suggests a recent or ongoing immune response to the virus.
Why It Matters
Parvovirus B19 infection is usually mild in healthy individuals but can cause complications in certain populations. During pregnancy, the virus may be associated with fetal anaemia or hydrops fetalis. In individuals with weakened immune systems or chronic blood disorders, it can lead to persistent anaemia. Identifying a recent infection supports appropriate clinical management.
When to Test
Testing may be recommended during pregnancy after exposure to Parvovirus B19, when evaluating unexplained anaemia, or when symptoms consistent with fifth disease are present in adults. Consult a healthcare professional for guidance on whether this test is appropriate for your situation.
Lifestyle Tips
Practise good hand hygiene to reduce the risk of Parvovirus B19 transmission. If you are pregnant and have been exposed to someone with fifth disease, consult your healthcare provider promptly. Maintain a balanced diet and stay well-rested to support your immune system.
Frequently Asked Questions
What does a positive Parvovirus B19 IgM result mean?
A positive IgM result may indicate a recent or active Parvovirus B19 infection. In most healthy adults, the infection resolves on its own. However, if you are pregnant or have an underlying health condition, further evaluation by a healthcare professional is recommended.
Is Parvovirus B19 dangerous during pregnancy?
Parvovirus B19 infection during pregnancy may be associated with risks to the fetus, including fetal anaemia and hydrops fetalis. If you are pregnant and suspect exposure, consult your healthcare provider promptly for monitoring and guidance.