Answer: Hello dear. Double marker test is screening blood test in pregnancy. ... So after an NT scan, after which you measure the amount of fluid at the back of the neck of the fetus and with the results, this double marker blood test is done and both the combined, and given a combined result as screen positive or negative. It is usually done after 8 weeks of pregnancy up to 14 weeks.
Answer: Hi.. Dear Dual marker test helps in assessing whether the unborn baby is at risk for any mental disorder. It is used primarily for the detection of Down syndrome. Double Marker Test also helps to detect Trisomy 18, that results in mental retardation and severe birth defects...
Similar Questions with Answers
Question: What is triple marker test and why it is done??
Answer: triple marker test is done to see the abnormalities in your baby and it is done best between 16 to 20th weeks
Question: What dual marker test? Why its suggested.
Answer: Double marker test is also known as Dual Marker Test. This test measures the levels of Beta Human Chorionic Gonadotropin (beta-hCG) and Pregnancy Associated Plasma Protein (PAPP-A) in blood.
This test should be done in pregnancy for all women to detect any abnormalities in the fetus. The ideal time for performing this test is between 10 - 13 weeks of pregnancy. But it can be done between 9 - 13.6 weeks of pregnancy.
Question: Dual marker test which week is it done ?
Answer: For Double marker test in 10th week of pregnancy a blood test is performed and in the 13th week a USG scan is done to arrive at the conclusion whether the baby is having a high risk or low risk of Down's syndrome.