Noninvasive prenatal testing (NIPT), sometimes called noninvasive prenatal screening (NIPS), is a method of determining the risk that the fetus will be born with certain genetic abnormalities. This testing analyzes small fragments of DNA that are circulating in a pregnant woman’s blood.
NIPT is most often used to look for chromosomal disorders that are caused by the presence of an extra or missing copy (aneuploidy) of a chromosome. NIPT primarily looks for Down syndrome (trisomy 21, caused by an extra chromosome 21), trisomy 18 (caused by an extra chromosome 18), trisomy 13 (caused by an extra chromosome 13), and extra or missing copies of the X chromosome and Y chromosome (the sex chromosomes). The accuracy of the test varies by disorder. Because NIPT analyzes both fetal and maternal cfDNA, the test may detect a genetic condition in the mother.
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Yes, one can detect down syndrome in an unborn child to a high level of accuracy without depending on invasive testing methods. NIPT is 99% accurate, allowing healthcare professionals to eliminate the need to use invasive procedures for prenatal diagnosis. NIPT test uses innovative technology to determine any underlying risks without harming the mother or child.
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‘Low Chance’ indicates lower chances/unlikelihood of being affected with Down’s, Edwards’ or Patau’s syndrome.
‘High Chance’ indicates increased chances of the baby being susceptible to having Down’s, Edwards’ or Patau’s syndrome.
‘No Recall Value’ indicates that the test didn’t yield any result. It is best to discuss with your healthcare provider for the next step in case of an ‘No Recall Value.’
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When Should NIPT be Done ?
NIPT is typically performed after 10 weeks of pregnancy. NIPT is not advisable when the mother has cancer or a chromosomal or genetic disorder (including Down's syndrome). The test is not advisable for multiple pregnancies (more than twins) or mothers that have had transplant surgery, immunotherapy, stem cell therapy, or blood transfusions.
What does NIPT test reveal ?
The NIPT Test is a more advanced test as compared to double marker or quadruple marker test. The NIPT test gives the chances of the baby to be affected by Don Syndrome. NIPT is a screening test, which means that it will not give a definitive answer about whether or not a fetus has a genetic condition. The test can only estimate whether the risk of having certain conditions is increased or decreased. In some cases, NIPT results indicate an increased risk for a genetic abnormality when the fetus is actually unaffected (false positive), or the results indicate a decreased risk for a genetic abnormality when the fetus is actually affected (false negative). Because NIPT analyzes both fetal and maternal cfDNA, the test may detect a genetic condition in the mother.
When should NIPT Test be done ?
The NIPT test is advised by the gynecologist if the double marker test gives high suspicion of fetus developing Down Syndrome. It can be done after 12 weeks of pregnancy or as advised by the doctor. The result for the NIPT test done at Maurya labs is made availble in 7 to 10 days time.
How is NIPT test done ?
NIPT is considered noninvasive because it requires drawing blood only from the pregnant woman and does not pose any risk to the fetus.. At Maurya Labs, Dr Anurag Mohan who is extensively trained in reporting NIPT Test will report the test.
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