What is double marker test ...........................
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Viahnu
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Dr. Rudrani DholeExpertHi Viahnu Ji,
Thanks for your question!
The Double Marker Test is a screening test done during pregnancy, usually between the 9th and 13th week, to check the baby’s risk of having certain chromosomal abnormalities — mainly Down syndrome (Trisomy 21), Trisomy 18, and Trisomy 13.
What does the test measure?
The test looks at two markers in the mother's blood:
- Free Beta hCG (a pregnancy hormone)
- PAPP-A (Pregnancy Associated Plasma Protein A)
These are combined with other details, such as your age and ultrasound findings (nuchal translucency), to calculate the baby’s risk.
Why is it important?
- It does not diagnose a condition but tells you if there’s a higher or lower chance that your baby might have a genetic issue.
- If the risk is high, further tests like NIPT or amniocentesis may be recommended to confirm.
Is it safe?
Yes, it’s completely safe for both mother and baby — just a simple blood test.
If you or someone you know is expecting and planning this test, we can help you connect with a good specialist, book appointments, or answer any further questions.
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