preimplantation genetic testing

Synonyms: PGT, preimplantation testing

Genetic testing of one or more cells removed from early embryos conceived by in vitro fertilization and transferring to the mother's uterus only those embryos determined not to have the pathogenic variant(s)/chromosome anomaly(ies) of concern

Related terms: molecular genetic testing; polymerase chain reaction (PCR); prenatal testing; targeted analysis for pathogenic variants