What Is NIPT and Why Should It Be Done From Week 9?

NIPT (Non-Invasive Prenatal Testing) is a non-invasive prenatal screening test that analyses cell-free DNA from the fetus present in the mother’s blood. It is an advance that makes screening for chromosomal abnormalities safer, earlier and more accurate than many traditional methods.

How does NIPT work?

During pregnancy, a small amount of the fetus’s DNA is released into the mother’s blood. NIPT only requires a blood sample from the mother, after which these DNA fragments are analysed to screen for chromosomal abnormalities. Because only blood is taken, the test is safe for both mother and baby, with no risk of miscarriage as with invasive procedures.

What can NIPT detect?

• Down syndrome (trisomy 21), Edwards syndrome (trisomy 18) and Patau syndrome (trisomy 13).
• Abnormalities of the sex chromosomes.
• Analysis of the 22 pairs of autosomes with high accuracy, up to 99%.

Why should NIPT be done from week 9?

From week 9 of pregnancy, the concentration of fetal DNA in the mother’s blood is sufficient for analysis. Testing early gives parents timely information so they can proactively monitor the pregnancy and discuss the next steps with their doctor.

Who should have NIPT?

• Pregnant women aged 35 and over.
• Those with a family history of chromosomal disorders.
• Those whose traditional screening results indicate a high risk.
• Parents who want early, safe, non-invasive screening.

Can NIPT replace a diagnosis?

NIPT is a screening test, not a definitive diagnosis. In high-risk cases, the doctor may order additional diagnostic tests. NIPT results should therefore always be interpreted by a specialist alongside ultrasound and other examinations.

Consultation at Phuc Khang

Phuc Khang 5D Ultrasound Clinic partners with Gensolution to offer NIPT. Our doctors advise on the timing, meaning and limitations of the test, combining it with ultrasound for comprehensive pregnancy monitoring.

This information is for reference only and does not replace direct medical advice. Please talk to your doctor for advice suited to your individual pregnancy.