PGT

Preimplantation Genetic Testing allows us to test your embryos for genetic disease and chromosomal abnormalities prior to getting pregnant.e
Preimplantation Genetic Testing: PGT is a new term meant to lump both PGD and PGS together.
Preimplantation Genetic Diagnosis: PGD is a tool to test an embryo prior to the embryo being placed in the uterus (preimplantation) for a specific genetic disorder, such as cystic fibrosis, spinal muscular atrophy or sickle cell anemia. There are hundreds of single gene disorders than can be tested, if we know to look for them ahead of time.  Couples that have a child with devastating genetic disorder, often consider PGD prior to having a second child.
Preimplantation Genetic Screening:  PGS is a tool to test an embryo prior to the embryo being placed in the uterus (preimplantation) for a major chromosome abnormalities, such as Down syndrome. Healthy children and adults have 46 chromosomes, 23 chromosomes from the egg and 23 chromosomes from the sperm (there are rare exceptions).  A person with Down syndrome has 47 chromosomes from an extra chromosome #21, which usually occurs in an older egg that has 24, instead of 23, chromosomes. Down syndrome is also called Trisomy 21. Women over 35 years old, and particularly women over 40 years old, are at risk of having abnormalities in their older eggs and may consider PGS.