What is PGD and what does it test for?
Preimplantation genetic diagnosis (PGD) allows physicians to analyze an embryo formed outside the mother’s uterus for genetic defects that would prevent that embryo from implanting, produce a miscarriage or cause an inherited disease upon birth. Many genetic diseases are currently screened by this technology, including single gene defects such as cystic fibrosis, or chromosomal abnormalities like Down syndrome.
