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What is a MATERNAL SERUM SCREEN 2; DUAL TEST?

Maternal Serum Screen 2, also called the Dual Marker Test, is a prenatal blood screening test done in early pregnancy to assess the baby’s risk of chromosomal abnormalities. It is needed to help identify possible risks such as Down syndrome and Trisomy 18, allowing doctors to recommend timely counselling or further diagnostic testing if necessary.

Additional Information

Also known as/ Other names: Dual Marker Test, First Trimester Dual Screening, Prenatal Dual Marker Screen, Dual Test for Down Syndrome Screening
Parameters: 1
Recommended for: Female
Sample Type: Blood
Patient Preparation: Acceptable between 9 to 13 weeks + 6 days gestation. USG is mandatory must include CRL,NT,NB & Qualification of Radiologist.
Reports: Same Day

FAQs

When is the dual marker test usually done?

It is usually performed in the first trimester, often between 11 and 13 weeks of pregnancy.

What substances are measured in this test?

The test usually measures pregnancy-associated plasma protein A and free beta-hCG.

What conditions can this test help detect?

It helps assess the risk of Down syndrome and Trisomy 18.

Is the dual marker test safe for mother and baby?

Yes, it is a simple blood test and is completely safe.

What does a high-risk result mean?

It means the chance of a chromosomal abnormality may be higher, and further evaluation may be suggested.

What does a low-risk result mean?

It means the risk is lower, but it does not guarantee that the baby is free from all conditions.

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