nifty test is a simple blood test which detects Downs syndrome and other genetic syndromes without any risk to the pregnant woman or mother
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What is nifty test or nifty blood test ?[NIPT non invasive prenatal testing]
Human somatic cells each contains 23 pairs of chromosomes. Gain or loss of chromosomes in human cells will cause of fetal genetic defects. Trisomy 21 (Down’s syndrome), 18 (Edwards syndrome), and 13 (Patau syndrome) are the three most common chromosome abnormalities; which are caused by the presence of an extra copy of chromosome 21, 18, or 13 respectively.
This non-invasive fetal trisomy test provided by BGI is a safe and easy prenatal screening test for Downs syndrome and other trisomies. The test consists of a mere 10 ml blood sample from the pregnant woman at gestational week 10 to 24. From this blood sample, DNA from the baby is analyzed in order to examine the baby’s chromosomes (Trisomy 21, trisomy 18 and trisomy 13). With this information it is also possible to identify the gender of the baby.
Non-invasive: Only 10ml of maternal venous blood is required. Therefore, there is no risk of intrauterine infection and miscarriage.
Risk Free: Avoids intrauterine infection and induced miscarriage.
Early-test: Performed as early as 10 weeks of gestation. This allows early detection for a better clinical decision
- Maternal age 35 years or older at delivery
- Has contraindications for invasive prenatal testing such as placenta prevaria,risk of misscarriage,HBV infection
- Fetal Ultrasonographical findings indicating an increased risk of aneuploidy
- History of prior pregnancy with trisomy
The sensitivity and specificity of the NIFTY test are both over 99%. This means that the test can successfully identify over 99% of fetuses carry no trisomy (giving a low risk result) and fetuses with trisomy (giving a high risk result).