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NIPT Test (Noninvasive Prenatal Testing)

Pregnancy is an exciting journey, often accompanied by many questions for expectant mothers. Non-Invasive Prenatal Testing (NIPT) provides a highly accurate and comforting way to screen your baby for chromosomal conditions, requiring only a straightforward blood sample. The dedicated team of Amber Health obstetricians and gynecologists in Hong Kong is here to walk you through the NIPT test procedure with clear information, compassionate care, and the highest level of clinical excellence.

What Is the NIPT Test?

The NIPT test is an advanced prenatal screening that analyzes fetal DNA fragments circulating in the mother's bloodstream to detect potential chromosomal abnormalities in the developing baby. Because it requires only a maternal blood sample, the NIPT test poses absolutely no risk to the fetus, making it a safe, reliable, and increasingly preferred choice among expectant mothers.

What Does NIPT Screen For?

The NIPT test offered at Amber Health screens for the following chromosomal conditions:

While Down Syndrome cannot be prevented, early detection through prenatal screening allows parents to understand potential risks and prepare for medical care and family support. At Amber Health, our T21 test forms part of our comprehensive prenatal health services, offering expectant mothers reassurance through accurate, non-invasive testing.

  • Trisomy 21 (Down Syndrome): The presence of an extra copy of chromosome 21, the most common chromosomal condition detected through prenatal screening.
  • Trisomy 18 (Edwards Syndrome): An extra chromosome 18, linked to severe developmental challenges affecting multiple organ systems.
  • Trisomy 13 (Patau Syndrome): An extra chromosome 13, which can significantly affect brain and organ development.
  • Sex Chromosome Abnormalities: Depending on the panel chosen, the NIPT test can also screen for conditions such as Turner Syndrome and Klinefelter Syndrome, which affect the number or structure of sex chromosomes.

Benefits of NIPT Testing at Amber Health

The NIPT test is an advanced prenatal screening that analyzes fetal DNA fragments circulating in the mother's bloodstream to detect potential chromosomal abnormalities in the developing baby. Because it requires only a maternal blood sample, the NIPT test poses absolutely no risk to the fetus, making it a safe, reliable, and increasingly preferred choice among expectant mothers.

Accuracy and Reliability

The NIPT test delivers a detection accuracy rate of over 99% for chromosomal conditions such as Down Syndrome, significantly higher than traditional prenatal screening methods. This level of precision gives expectant parents greater confidence in their results and reduces the likelihood of unnecessary follow-up procedures.

Completely Non-Invasive

Unlike diagnostic procedures such as chorionic villus sampling (CVS) or amniocentesis, the NIPT test requires only a single blood draw from the mother. There is no needle near the uterus, no risk of miscarriage, and no discomfort beyond a routine blood test — making it a safe option for both mother and baby.

Early Detection

The NIPT test can be performed as early as 10 weeks into pregnancy, earlier than many traditional screening methods. This allows expectant parents to receive important information sooner, providing more time to consider their options, seek further testing if needed, and prepare for the journey ahead.

Fast Results

Results are typically available within 5–7 working days, helping to minimize the anxiety that can accompany the waiting period.

NIPT Test Process

1

Initial Consultation

Your journey begins with a consultation with one of our obstetricians, who will review your medical history, confirm your gestational age, and assess any previous screening results. This ensures that the NIPT test is appropriate for your stage of pregnancy and individual health profile.

2

Blood Sample Collection

A single 10ml blood sample is drawn from the mother's arm in a straightforward, routine procedure. No preparation is required, and the process takes only a few minutes.

3

Laboratory Analysis

The blood sample is sent to our advanced laboratory, where cell-free fetal DNA is extracted and analyzed for chromosomal abnormalities using cutting-edge DNA sequencing technology. Every sample is handled with the utmost care to ensure accurate and reliable results.

4

Results and Counseling

Results are delivered within 5–7 working days. Our specialists will conduct a detailed follow-up consultation to explain your findings clearly and compassionately. If results indicate a higher risk, our team will guide you through the available confirmatory testing options and next steps, providing both medical expertise and emotional support throughout.

NIPT Test vs. Traditional Prenatal Screening

Aspect NIPT Test Traditional Prenatal Screening
Accuracy >99% detection rate for T21 70–85% accuracy depending on gestational age
Safety Non-invasive; no risk to mother or baby Non-invasive but lower sensitivity
Timing From 10 weeks of pregnancy Usually between 11 and 14 weeks
Result Time 5–7 working days 1–2 weeks
Need for Further Testing Only if the results are high-risk Often requires follow-up diagnostic tests

Cost of NIPT Testing in Hong Kong

In Hong Kong, NIPT test costs range from HK$2700 to HK$8000+, depending on the panel and inclusion of extra conditions like sex chromosome abnormalities. Amber Health offers transparent, all-inclusive pricing covering consultation, lab analysis, and counseling. Contact us for a personalized quote or to book a free consultation.

NIPT vs. T21 Test: How They Work Together

While both the NIPT and T21 tests are non-invasive and rely on fetal DNA analysis from a maternal blood sample, they differ in scope and focus.

NIPT

The NIPT test provides comprehensive chromosomal screening across multiple conditions, including Trisomy 21, Trisomy 18, Trisomy 13, and select sex chromosome abnormalities, making it the preferred choice for expectant mothers seeking a broad overview of their baby's chromosomal health.

T21

The T21 test, by contrast, is specifically designed to detect Trisomy 21 (Down Syndrome), offering a more targeted and often more cost-effective approach for mothers whose primary concern is Down Syndrome.

  • When to choose NIPT: If you want comprehensive screening across multiple chromosomal conditions, including but not limited to Down Syndrome.
  • When to choose T21: If you are specifically concerned about Down Syndrome and prefer a focused, streamlined screening option.

Frequently Asked Questions