UPDATED: October 22, 2025  As you start on your journey, you may ask yourself, what is embryo preimplantation genetic testing (PGT)? Preimplantation genetic testing/diagnosis (PGT/PGD) allows embryos to be tested for genetic and chromosomal conditions before transfer.   PGT helps increase the chance of a successful pregnancy.  There are two main types of testing: PGT-M, [...]