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Maternal Screen (Quadruple Marker)

₹3,500.00

15 minutes
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The Quadruple Marker Test (also called Quad Screen) is a prenatal blood test performed during the second trimester of pregnancy (typically between 15 and 22 weeks). It measures the levels of four substances in the mother’s blood:

1. Alpha-fetoprotein (AFP) – a protein made by the baby’s liver
2. Human chorionic gonadotropin (hCG) – a hormone produced by the placenta
3. Estriol (uE3) – an estrogen produced by the placenta and the baby
4. Inhibin A – another hormone produced by the placenta

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    Description

    Why It’s Done:
    The Quad Marker Test is used as a screening tool, not a diagnostic test, to evaluate the risk of certain conditions in the developing baby, such as:
    • Down syndrome (Trisomy 21)
    • Trisomy 18 (Edwards syndrome)
    • Neural tube defects like spina bifida
    • Abdominal wall defects
    It helps identify pregnancies at higher risk and may be followed up with diagnostic tests like amniocentesis or detailed ultrasound.

    Preparation:
    • No fasting or special preparation is required.
    • The test involves a simple blood draw from the mother’s arm.
    • Inform your doctor of:
    o Your exact gestational age (based on ultrasound or last menstrual period)
    o Any existing health conditions or medications you are taking
    o Whether you are carrying more than one baby
    Accurate results depend on correct information about the mother’s age, weight, ethnicity, and gestational age.

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