NIPT Test (Noninvasive Prenatal Testing)

NIPT Test (Noninvasive Prenatal Testing)

Sample Type

Blood

Recommended for

Male, Female

Report

Within 24 Hours

NIPT is a method used to determine the risk for the foetus being born with certain chromosomal abnormalities, such as Trisomy 21 (Down syndrome), Trisomy 18 (Edwards syndrome) and Trisomy 13 (Patau syndrome). NIPT is the most accurate prenatal genetic screening test currently available.

NIPT is regarded as noninvasive since only the pregnant mother must have her blood drawn and the foetus is not at risk. Small DNA fragments that are floating about in a pregnant woman’s blood are examined by NIPT test. These fragments are known as cell-free DNA (cfDNA) because they are free-floating and not contained within cells, in contrast to most DNA, which is found inside the nucleus of a cell. When cells break down and die, their contents, including DNA, are released into the bloodstream as minute fragments with an average size of fewer than 200 DNA base pairs.

The mother’s bloodstream during pregnancy contains a mixture of cfDNA from her cells and cells from the placenta. The tissue in the uterus known as the placenta connects the mother’s blood supply with the developing foetus. Throughout the pregnancy, these cells are released into the mother’s blood. Typically, the DNA of the placenta and the foetus are similar. Without endangering the foetus, cfDNA analysis from the placenta offers a chance for early diagnosis of some genetic disorders.

The NIPT test, or noninvasive prenatal screening, is a safe blood test for the expectant mothers to assess the risk of certain genetic conditions in the foetus. By analysing foetal DNA in the mother’s bloodstream, the NIPT test can detect chromosomal abnormalities like Down syndrome. The NIPT test offers early, reliable insights without the risks of invasive procedures. 

Price : ₹ 16,000

FAQ’s

  • The test is intended for use in pregnant women between 10-17 weeks of pregnancy and who are at high risk for the chromosomal aneuploidies. 
  • NIPT is recommended for pregnant women to screen for chromosomal diseases that are brought on by an extra or missing copy of a chromosome (aneuploidy).
  • NIPT is used to determine the risk for the foetus being born with certain genetic abnormalities such as:
  1. Down syndrome (trisomy 21, caused by an extra chromosome 21)
  2. Edwards syndrome (trisomy 18, caused by an extra chromosome 18)
  3. Patau syndrome (trisomy 13, caused by an extra chromosome 13)
  4. Extra or missing copies of the X chromosome and Y chromosome, the sex chromosomes)
  5. Aneuploidies (missing (deleted) or copied (duplicated) sections of a chromosome)
  • NIPT is recommended for all types of pregnancies.
  • NIPT is offered to all women after at least 10 weeks of pregnancy.
  • NIPT is recommended as the first line of screening for all pregnancies, irrespective of the risk. 
  • NIPT is especially significant if the woman is above 30 years of age.

Patient Preparation: 12-14 hrs fasting required. NIPT is recommended at gestational age between 10 and 17 weeks. Sample collection is required to be done in special tube (streck tube) & by prior appointment. The patient is required to fill test requisition form (TRF) which include Clinician Stamp, Ultrasound Report (USG), Dual and Quadruple Marker Report, and Photo Identification Proof.

NIPT test measures foetal cell-free DNA (cfDNA) in the mother’s bloodstream to be able to identify foetal chromosomal or genetic abnormalities.

 

NIPT test requires a blood sample. A tourniquet (elastic) band is placed tightly on the upper arm. The patient is then asked to make a fist. This helps in the build-up of blood filling the veins. The skin is disinfected before needle insertion and the blood sample is collected in vacutainer.

 
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