Practice Recommendations for Preimplantation Genetic Testing (PGT)

Some topics covered in this guideline:

• Patient inclusion/exclusion criteria for PGT-M, PGT-SR, PGT-A

• PGT process (preclinical work-up, examination, and post-examination)

• PGT Laboratory best practices

What are some gaps in PGT based on current literature?

• Best practice on interpretation of mosaic results, counseling couples about transferring mosaic embryos, and what level mosaic to transfer

• Non-invasive approaches for both single gene and chromosomal testing

Last Reviewed: September 21, 2023