A Natera check is a kind of non-invasive prenatal screening (NIPS) or cell-free DNA (cfDNA) screening supplied throughout being pregnant. These exams analyze fetal DNA discovered within the pregnant particular person’s blood to evaluate the chance of sure chromosomal abnormalities within the creating fetus. As an example, the check can display screen for Down syndrome (Trisomy 21), Edwards syndrome (Trisomy 18), and Patau syndrome (Trisomy 13), in addition to intercourse chromosome aneuploidies. Sure choices additionally supply screening for microdeletions, that are small lacking items of chromosomes. Outcomes are sometimes reported as a threat rating, indicating a excessive or low likelihood of the fetus having the screened-for situation.
This type of screening provides a number of advantages. It supplies expectant dad and mom with earlier insights into the potential chromosomal well being of their child, usually sooner than conventional screening strategies. The non-invasive nature of the blood draw poses minimal threat to each the pregnant particular person and the fetus. Understanding the probability of sure circumstances permits for knowledgeable selections concerning additional diagnostic testing, resembling amniocentesis or chorionic villus sampling (CVS), and may assist in making ready for the arrival of a kid with particular wants. The expertise for fetal DNA evaluation from maternal blood has quickly advanced, making this screening strategy extra correct and dependable.
