The Double Marker Test is a prenatal blood test that screens for the risk of chromosomal abnormalities in the developing fetus — mainly:
Trisomy 21 (Down Syndrome)
Trisomy 18 (Edwards Syndrome)
Trisomy 13 (Patau Syndrome)
It is part of the First Trimester Screening (FTS) when combined with the NT (Nuchal Translucency) scan
❌ No fasting required
💉 Requires a simple blood sample from the mother
🩻 Should be done along with or after the NT scan for accurate risk calculation
3 Day*
Health Checkup
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