The Double Marker test is a comprehensive pregnancy screening test to determine the healthy development of the foetus. As the name suggests, it tests for two markers: Free beta-human chorionic gonadotropin (fb-HCG) and Pregnancy-Associated Plasma Protein (PAPP-A). This test helps in the evaluation of Trisomy 21 (Down syndrome) and Trisomy 13/18 syndrome. These medical conditions may lead to mental retardation and other illnesses in the feotus; therefore, pregnant women must get this test done.
The double marker blood test is not a definitive but a predictive test, which means its results detect chromosomal abnormalities and neurological disorders in the foetus. Usually, women over 35 years and those with a family history of congenital disabilities are recommended for this test. It is advised somewhere between the 11th to 14th weeks of pregnancy. This test begins with an ultrasound examination followed by a screening blood test to determine the two markers, HCG and PAPP-A.
This test is done along with the Nuchal Translucency test to confirm any genetic abnormality. NT measures the fluid beneath the skin and the back of the baby's neck. It is measured by ultrasonography.
The price of the Double Marker Test varies on the basis of location of the centre. Multiple diagnostic centers in Delhi NCR offer this test. One may search double marker test near me to check out the double marker test price in Delhi NCR.
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