Aneuploidy or abnormal chromosomal numbers could result in Down syndrom and Patau syndrome. These are the disorders caused by addition copy of chromosome number 21 (Down syndrome) and chromosome number 13 (Patau syndrome). The test could provide the direct and rapid detection of these two genetic disorders.
Abormal Maternal Serum Screening, Ultrasound Abnormalities, Nuchal Translucency, Previous child with genetic abnormality
