Clinical and medico-legal reflections on non-invasive prenatal testing

Background: Prenatal diagnosis has advanced dramatically, with both invasive and non-invasive techniques that enable a comprehensive evaluation of chromosomal and genetic disorders, thanks to considerable technological progress. These innovations have led to improved accuracy, earlier detection, and less invasive methods for identifying fetal health issues. To minimize risks to both the fetus and the mother, non-invasive prenatal diagnosis (NIPT) has become a fundamental screening technique, although it remains probabilistic. NIPT has undergone significant improvements in the past decade and can now screen for a wider range of conditions. Methods: We conducted a search on PubMed and Google Scholar using the keywords “prenatal genetic testing, non-invasive prenatal diagnosis, prenatal diagnosis, chromosomal microarray” over the past decade. This article aims to demonstrate significant progress of studies in the field of prenatal diagnosis and their medico-legal implications. Results: The results show improvements in non-invasive techniques, leading to more precise outcomes, a broader range of diagnosed conditions, and better impacts on prenatal outcomes and family decision-making. Conclusions: This review provides an overview of NIPT. Advances in prenatal diagnosis are enabling healthcare providers to offer more accurate, timely, and less invasive prenatal care, ensuring better outcomes and reducing medicolegal disputes.