The test, PGT-SR, is helpful for individuals with a chromosomal rearrangement (e.g. inversion, reciprocal translocation, Robertsonian translocation, etc.) identified with specialized genetic testing like karyotyping. It allows the detection of incorrect chromosome copy numbers (i.e. gains or losses of chromosomes or parts of chromosome) and enhances the chance of a healthy pregnancy via the transfer of embryos with an accurate chromosomal content.