preimplantation genetic diagnosis

preimplantation genetic diagnosis
(PGD) in assisted reproductive technology, the determination of chromosomal abnormalities in the embryo before it is transferred to the uterus.

Medical dictionary. 2011.

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  • Preimplantation genetic diagnosis — In medicine and (clinical) genetics preimplantation genetic diagnosis (PGD) (or also known as Embryo Screening) refers to procedures that are performed on embryos prior to implantation, sometimes even on oocytes prior to fertilization. PGD is… …   Wikipedia

  • preimplantation genetic diagnosis — (PGD) see prenatal diagnosis …   Medical dictionary

  • preimplantation genetic diagnosis — PGD a diagnostic procedure carried out on embryos at the earliest stage of development, before implantation in the uterus. Access to these early embryos requires the in vitro fertilization of egg cells: three days after fertilization one or two… …   The new mediacal dictionary

  • Preimplantation genetic haplotyping — (PGH) is a clinical method of preimplantation genetic diagnosis (PGD). PGH was first developed in 2006 at London s Guy s Hospital and greatly advances PGD by using DNA fingerprinting rather than identifying the actual genetic signature (such as… …   Wikipedia

  • Genetic testing — (also called DNA based tests) is among the newest and most sophisticated of techniques[1] used to test for genetic disorders which involves direct examination of the DNA molecule itself. Other genetic tests include biochemical tests for such gene …   Wikipedia

  • Preimplantation diagnosis — is the act of checking an ovum, zygote, or blastocyst for defects or diseases by cytogenetics before implanting into a womb. Preimplantation diagnosis takes place before prenatal diagnosis, which refers to a checking for defects in a fetus or… …   Wikipedia

  • genetic screening — screening tests to discover individuals whose genotypes are associated with specific diseases. Such individuals may later develop the disease itself or pass it on to their children (see carrier). The recent use of genetic screening to diagnose… …   The new mediacal dictionary

  • Prenatal diagnosis — Diagnosis before birth. Methods for prenatal diagnosis include ultrasound of the uterus, placenta, and/or developing fetus; chorionic villus sampling (CVS) to obtain tissue for chromosome or biochemical analysis; and amniocentesis to obtain… …   Medical dictionary

  • Genetic disorder — For a non technical introduction to the topic, see Introduction to genetics. Genetic disorder Classification and external resources MeSH D030342 A genetic disorder is an illness caused by abnormalities in genes or …   Wikipedia

  • Medical diagnosis — (often simply termed diagnosis) refers both to the process of attempting to determine and/or identify a possible disease or disorder (and diagnosis in this sense can also be termed (medical) diagnostic procedure), and to the opinion reached by… …   Wikipedia

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