Double Marker Test
₹2200
About this service
Description
The Double marker test is conducted in the first trimester of pregnancy and helps determine if the foetus has a risk of developing some kind of chromosomal abnormality. Generally, this test is prescribed for pregnant women who are older than 35 years of age.
Overview of the Dual Marker Test
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A double marker test is done during pregnancy to identify any neurological disorders in the baby. It is a predictive test that is a part of the first-trimester screening to find out if there are any abnormalities in the chromosomes that can affect the baby’s growth. It is crucial to conduct this test in the first trimester to identify Down syndrome or Edward’s syndrome in the baby. This test is used to check two markers: free beta HCG and PAPPA-A. The dual marker blood test only identifies the risk but does not confirm any abnormalities. When the test result of the double marker test is under normal value, it means that there are no irregularities in the foetus’s development. A screen negative is considered normal and indicates that the baby’s risk of having chromosomal abnormalities is low. 
All Tests in this package
Downs Syndrome Risk(T21)
Pataus Syndrome Risk(T13)
Edwards Syndrome Risk(T18)
Why it's done
The dual marker test is a screening test, or a blood test conducted during the first trimester, anytime, this test is prescribed when the age of pregnant women is above 35 years, as this is the time when the risk of the foetus developing chromosomal abnormalities is higher.
This test needs to be conducted within a specific time window, between the 8th and 14th weeks of gestation. As the name suggests, this test is used to check two markers:
- Free Beta HCG
- PAPP-A (Pregnancy Associated Plasma Protein)
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