Every single milestone in your pregnancy is a moment to cherish. Embrace every step of your motherhood journey without a worry, with trusted prenatal testing right here in Siliguri. These tests are designed to achieve exceptional accuracy and clear answers that you need to feel completely safe and supported. NIPT is a simple blood test that gives you clear answers about your baby’s health. Because it’s completely non-invasive, it carries absolutely no risk of miscarriage, providing you peace of mind. It is a completely stress-free test, meaning no painful or risky procedures. You get the highly accurate, clear answers you need because Non-Invasive Prenatal Testing in Siliguri is now highly reliable and affordable for local families. Discover what Non-Invasive Prenatal Testing in Siliguri is, its importance, benefits, costs, and accuracy with the help of this blog.
What is Non-Invasive Prenatal Testing or NIPT?
A highly accurate blood screening that is done after the 10th week of pregnancy is called Non-Invasive Prenatal Testing, also known as NIPT. Because it requires only a routine maternal blood flow, possessing zero risk of miscarriages to the developing fetus, it makes it a safe alternative to other invasive procedures. The disorders that can be predicted accurately through this test are as follows.
- Down Syndrome, Trisomy 21
- Edwards Syndrome, Trisomy 18
- Patau Syndrome, Trisomy 13
The biggest benefit of NIPT is that it is a highly advanced test that checks your baby’s DNA using a simple sample of your own blood. It gently looks for the risk of certain genetic conditions, giving you clear answers without any stressful medical jargon. According to medical authorities, it has revolutionized prenatal care by offering key insights into fetal health without standard surgical risks.
Here are some excellent reasons and benefits to choose an NIPT.
This is Absolutely Safe with Zero Miscarriage Risk
The best benefit of NIPT is that it is absolutely safe with zero miscarriage risk. This is because, rather than a procedure that enters the uterus or any other kind of test, it requires only a routine maternal blood draw. It provides expectant parents with early genetic insights while keeping the pregnancy entirely safe by eliminating mechanical injury and uterine infections.
- It has zero physical risk:
Another benefit of this test is that it poses absolutely no threat of physical injury, infection, or miscarriage to the developing fetus.
- It has no uterine penetration:
This test requires no needles to enter the uterus, unlike invasive diagnostic options such as amniocentesis or Chorionic Villus Sampling (CVS).
- It is a non-invasive test:
The best part of this test is that it is non-invasive because it requires a simple blood draw from the mother's arm.
This Provides Exceptional Screening Accuracy
The second benefit of Non-Invasive Prenatal Testing is that it provides exceptional screening accuracy by analyzing cell-free fetal DNA circulating in the mother's blood. It achieves detection rates exceeding 99% for common chromosomal conditions because it directly evaluates the baby’s genetic material, such as Down syndrome.
Along with a drastically lower false-positive rate compared to traditional blood or ultrasound screenings.
- It Provides Unmatched precision:
Many research reports demonstrate that NIPT significantly outperforms traditional serum screening methods.
- Provides High Sensitivity or Accuracy:
It boasts a 99% accuracy rate in screening for Down syndrome (Trisomy 21).
- Very Fewer false alarms:
The test carries a drastically lower false-positive rate compared to older '90s screening alternatives.
This Provides Early Detection and Early Answers
Another benefit of Non-Invasive Prenatal Testing analyzes cell-free fetal DNA in a maternal blood draw. It provides early answers by accurately screening for chromosomal abnormalities, available as early as 10 weeks of pregnancy without posing any miscarriage risk to the fetus.
These conditions or disorders can be as follows.
- Down Syndrome
- Edwards Syndrome
- Patau Syndromes
You can take this test as early as the 10th week of your pregnancy.
Why is Non-Invasive Prenatal Testing or NIPT Crucial?
Non-Invasive Prenatal Testing, also known as NIPT, is crucial because it analyzes fetal DNA in a mother’s blood to safely screen for chromosomal and genetic conditions. It is also important because it offers the following.
- Highly accurate disorder testing
- Early and risk-free information about the baby’s health
- It allows parents and doctors to plan for the best possible care.
What is the cost of Non-Invasive Prenatal Testing?
In India, depending on the lab, city, and chromosomal panel chosen, Non-Invasive Prenatal Testing or NIPT typically costs between ₹9,990 and ₹30,000. An extended chromosomal and microdeletion panel ranges between ₹27,000 and ₹30,000, while a basic 5-parameter screen costs around ₹15,000. Twin pregnancies usually incur higher costs, ranging from ₹18,000 to ₹40,000.
The Cost of Non-Invasive Prenatal Testing in Siliguri
Depending on the specific chromosomal panels tested and the laboratory, the cost of NIPT in Siliguri typically ranges from ₹6,500 to ₹15,000.
What is the Accuracy Rate of a Non-Invasive Prenatal Testing or NIPT?
When screening for Down Syndrome (Trisomy 21), Non-Invasive Prenatal Testing boosts a sensitivity and specificity of over 99% and is highly accurate. However, it is classified as a screening test rather than a definitive diagnostic tool because NIPT analyses cell-free placental DNA circulating in the mother's blood.
The clinical accuracy varies depending on the specific condition being screened, on the basis of the following.
- The type of pregnancy, and
- How accuracy is measured.
Accuracy by Chromosomal Conditions
NIPT is most effective at detecting the three most common autosomal trisomies, which are as follows.
- Down Syndrome (Trisomy 21):
The accuracy of detecting Down Syndrome in Non-Invasive Prenatal Testing is over 99% in terms of sensitivity and true positive rate. NIPT is also over 99% accurate in terms of the true positive rate for detecting an extra copy of chromosome 21. With the false-positive rate being extremely low, diagnostic follow-ups are typically recommended to rule out rare confirmed placental mosaicism or structural translocations.
- Edwards Syndrome (Trisomy 18):
Edward Syndrome, Trisomy 18, is detected approximately 97% to 99% accurately through NIPT. It demonstrates a detection rate slightly lower but still highly sensitive, generally exceeding 97% to 99% accuracy for this condition. This is because Trisomy 18 is associated with severe developmental abnormalities and growth restriction.
- Patau Syndrome (Trisomy 13):
Patau syndrome is detected with an accuracy of up to 97% to 99% by Non-Invasive Prenatal Testing. This condition is detected with high sensitivity and involves a third copy of chromosome 13, though it tends to have a marginally higher false-positive rate compared to Trisomy 21. Before making permanent clinical decisions, confirmatory diagnostic testing is strongly advised.
- Fetal Sex Determination:
Its accuracy is over 99% when performed after the 10th week of pregnancy. With an accuracy rate of over 99% when performed at or after 10 weeks of gestation, Non-Invasive Prenatal Testing, or NIPT, is highly accurate for fetal sex determination. It does so because this test analyzes cell-free fetal DNA in the mother’s bloodstream and detects a Y chromosome, indicating a male, while its absence indicates a female.
- Sex Chromosome Abnormalities:
Sex chromosome abnormalities are noticeably lower and more variable, with positive predictive values ranging between 31% and 53% depending on the specific anomaly. While NIPT is nearly 99% accurate for detecting fetal sex, its accuracy drops significantly for Sex Chromosome Abnormalities, or SCAs. Sensitivity remains high, but because these conditions are rare, the PPV, or Positive Predictive Value, is only about 5%. This means a positive NIPT result for an SCA has a high chance of being a false positive, so diagnostic confirmation via amniocentesis or CVS is always recommended.
Conclusion
Some of the benefits of Non-Invasive Prenatal Testing are that it has a zero risk rate, it provides exceptional screening accuracy, and it provides early detection and early answers. The cost of conducting Non-Invasive Prenatal Testing in Siliguri ranges between ₹6,500 and ₹15,000, and this provides 99% accuracy in detecting common chromosomal abnormalities. Consult Dr. Sweta Bothra, a fetal medicine specialist and radiologist, in Siliguri to conduct your Non-Invasive Prenatal Testing today.
