Why Day 5 or 6 trophectoderm biopsy is preferred instead of Day 3 embryo biopsy for preimplantation genetic screening/preimplantation genetic diagnosis (PGS/PGD)
In some cases, genetic screening and/or testing of embryos may be indicated. Genetic testing of an embryo requires embryo biopsy, a procedure which is performed by an experienced, skilled embryologist in order to obtain cells from an embryo that can be analyzed for preimplantation genetic screening/preimplantation genetic diagnosis (PGS/PGD). The embryo’s cells […]