Keep reading this comprehensive overview of the double marker test to learn more about its purpose, procedure, and the insights it offers expectant parents and medical professionals. The double - marker test , or maternal serum screening, is a prenatal screening test. The Double Marker Test measures two hormones in the mother's blood to assess the risk of Down syndrome, Edward syndrome, and Patau syndrome in the baby. It is a non-invasive blood test performed in the first trimester, but it does not confirm or rule out conditions. Learn how the double marker test can detect chromosomal abnormalities in the foetus using blood and ultrasound. Find out the normal ranges, benefits and risks of this screening test for pregnant women. A Double Marker Test is a type of test that in mainly given to pregnant women to determine any chromosomal malformation in the foetus. This test also plays a vital role in the detection of any kind of neurological conditions in the foetus, such as down’s syndrome or Edward’s Syndrome. Chromosomal abnormalities in foetus can result in serious developmental deformities and lead to various health problems in the child post birth, but such abnormalities are extremely rare. The Double Marker ...