Non-invasive prenatal testing, or NIPT, is a blood test offered during pregnancy that screens for certain chromosomal conditions in the baby. It is a screening test, which means it estimates the chance of a condition rather than providing a definite answer. Clarity Genetics provides specialist support for couples and clinicians considering NIPT, or for those who have received an unexpected NIPT result.
NIPT analyses small amounts of placental DNA found in the mother’s blood. It can screen for the most common chromosomal conditions, including Down syndrome and two other trisomies, and is usually offered from around ten weeks of pregnancy. Some NIPT options also include screening for sex chromosome conditions and a wider range of conditions, often referred to as expanded NIPT or NIPT-plus.
NIPT is a screening test rather than a diagnostic test. A higher-chance result indicates that further testing may help clarify the picture, and a lower-chance result substantially reduces, but does not entirely eliminate, the risk of a condition. The role of NIPT is to inform decisions, not to provide a final answer in itself.
NIPT can be considered by anyone during pregnancy and is commonly arranged by an obstetrician, GP or maternal-fetal medicine specialist. It may be of particular interest to couples who want early information about chromosomal conditions or who have specific factors that warrant a closer look. Whether NIPT is the right test and which version is most appropriate depends on individual circumstances.
Clarity Genetics works alongside obstetric, fetal medicine and primary care clinicians who order NIPT for their patients. Our role is not to provide the laboratory test itself, but to support clinicians and couples around it, including helping to interpret results and considering what may be a useful next step.
A specialist genetics appointment can be helpful in two situations in particular. Before NIPT, where a couple would like to understand what NIPT does and does not look at, or where their personal or family history raises specific questions, a consultation helps clarify whether NIPT is the right step and which version may be most informative. After NIPT, when a result comes back as higher-chance or unexpected, a consultation helps interpret the result and consider any further testing that may be appropriate.
For couples who are still in the planning stage of a family, conversations around carrier screening and other reproductive genetics support are usually a better fit than NIPT. NIPT is a pregnancy test, so it sits naturally alongside our prenatal pathway.
Clarity Genetics supports obstetric, maternal fetal medicine, fertility and primary care clinicians whose patients are considering NIPT or have received an NIPT result that needs interpretation. Specialist genetics consultations are available in person in Sydney and by telehealth across Australia, with prompt appointments arranged for time-sensitive prenatal referrals.
