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What Is Non-Invasive Prenatal Testing?
Non - trespassing antepartum test ( NIPT ) is a antepartum familial test that screens for nativity defects or inherited disease if any . Other name for this test are cell - free foetal DNA in the parental circulation or foetal DNA testing .
Non - invasive antepartum test ( NIPT ) is a bare roue test performed that analyzes the baby ’s DNA and detect the sister ’s risk of infection of transmitted disorders , including Down syndrome . NIPT test , however , can not for sure determine whether you are at an increase risk of giving birth to a babe with genetic disorder .
The result of the Non - incursive prenatal test ( NIPT ) aid the MD decide whether to go ahead with the other trial run like chorionic villus sampling ( CVS ) or amniocentesis ( Amnio ) . Both these test give a 100 % certainty whether a baby has a chromosomal abnormalcy or not .
However , these are a flake invasive and might increase the risk of spontaneous abortion .
How Is Non-Invasive Prenatal Testing Done?
Non - encroaching antenatal test ( NIPT ) involves quick draw blood with a phonograph needle and is secure for the female parent and the baby .
The sample is then sent to the lab , where the technician looks for the cfDNA in the ancestry for the sign of the zodiac of abnormalities .
After the resolution of the tryout is obtain the doctor compares it with the issue of the first - trimester ultrasound to determine further tests if need .
When is the Non-Invasive Prenatal Testing Performed?
The non - invading prenatal test can be performed any time after 9 weeks of maternity , which is early than any other antepartum masking or symptomatic test .
Other mental test such as nuchal translucence are done between 11 - 13 calendar week , CVS is done at 10 - 13 hebdomad , the quadriceps femoris screen is done at 14 - 22 week , and amnio is performed between 16 and18 weeks and sometimes other as 13 - 14 weeks and as belatedly as 23rd or 24th week .
How Long Does It Take To Get The Test Result Of Non-Invasive Prenatal Testing?
The Non - invasive prenatal test ( NIPT ) test takes about 8 - 14 day to get the resultant . In very few gestation the tryout is ineffective to give any result and a repetition of the exam would be recommend .
Why is Non-Invasive Prenatal Testing Performed?
NIPT is perform to test for the common chromosomal disorders such as :
Non - invasive antenatal test ( NIPT ) notice the baby ’s Rh ancestry type and grammatical gender . Some research worker also think Non - invading prenatal tryout ( NIPT ) can be a screening prick for mammy , as well . A study done showed that the Non - encroaching prenatal test ( NIPT ) results indicated genetic problem in the baby . But later it was find that the baby were not at peril but the results indicated an early onset of cancer in the mother.(1)Though , more inquiry is needed before using this test for detecting Crab . But it can actually be an early symptomatic tool to notice early - stage cancer .
The Non - trespassing antenatal test ( NIPT ) psychometric test is recommend for women at a high endangerment of gestate a babe with chromosomal abnormality which admit the female :
Non - trespassing antepartum examination has drastically reduced the incidence of children with chromosomal abnormality to older mothers.(2 )
