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Maternal Serum Screen – Dual Test

₹2,500.00

15 minutes
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The Maternal Serum Screen – Dual Test (also called the First Trimester Screening or Dual Marker Test) is a non-invasive prenatal screening test conducted during the first trimester of pregnancy, typically between 11 and 14 weeks of gestation. It measures the levels of two substances in the mother’s blood:
1. Free Beta-hCG (human chorionic gonadotropin) – a hormone produced by the placenta
2. PAPP-A (Pregnancy-Associated Plasma Protein A) – a protein produced by the placenta in early pregnancy
The results are combined with an ultrasound measurement called nuchal translucency (NT) to assess the baby’s risk of chromosomal abnormalities.

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    Description

    Why It’s Done:
    The Dual Marker Test is used to evaluate the risk of certain genetic and chromosomal conditions in the fetus, including:
    • Down syndrome (Trisomy 21)
    • Trisomy 18 (Edwards syndrome)
    • Other rare chromosomal abnormalities

    Preparation:
    • No special preparation or fasting is required.
    • The test involves a blood sample from the mother’s arm.
    • It is usually done along with a nuchal translucency ultrasound.
    • Accurate dating of pregnancy (gestational age) is important for reliable results, so your doctor may suggest an ultrasound beforehand.

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