WHAT IS DUAL MARKER BLOOD TEST

A double marker check or a dual marker check is a type of prenatal blood test this is achieved during the first trimester of being pregnant to test for any abnormalities that is probably present inside the chromosomal development of the child. Such anomalies inside the chromosomes can cause excessive fitness conditions and issues which could affect the baby’s increase inside the foetus, or even later in life. The double marker check can help perceive in advance approximately the opportunities of certain issues like Down’s syndrome or Edward’s syndrome. This test is often suggested as it is a completely dependable check that allows detects abnormalities quite accurately.

The elements which might be taken into consideration by using docs, earlier than prescribing the double marker test are; if the female is over 35 years of age, if there is a own family records of congenital disabilities and if there is a circle of relatives records of diabetes. A double marker test is essentially a blood test that doesn’t call for any preparations. Any scientific conditions or hypersensitive reactions must be informed to the medical doctor prior to taking the test. you'll be requested to stop the use of certain medications before taking the blood check.

The double marker test is completed with an ultrasound and the check consequences normally fall into categories: display screen nice and display terrible. The results of the test do now not merely depend upon the blood samples amassed but additionally on the age of the mother and the age of the foetus as found all through the ultrasound. most of these factors paintings together in determining the result. The blood sample is observed to test the levels of the hormone unfastened-beta HCG and pregnancy-associated plasma protein A (PAPP-A). This glycoprotein hormone is developed at some stage in the being pregnant via the placenta. The excessive degrees of the free-beta HCG imply a higher risk of Down’s syndrome and low tiers of protein additionally pose a hazard of Down’s syndrome.

The end result of the double marker test is supplied within the form of ratios. If the ratio is between 1:10 to at least one:250, it is termed as a “display screen positive” end result which lies in the high-danger area. A ratio of 1:one thousand or above is named as “display screen bad” end result which indicates a low danger. these ratios are suggestions for knowledge the probability of a toddler laid low with any disease. In case the result of the double marker test is positive, the medical doctor may advocate in addition diagnostic strategies like amniocentesis or chorionic villus sampling to locate the trouble.