Diagnostic Genetic Testing
نویسندگان
چکیده
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I-36: Preimplantation Genetic Diagnosis - Where Have We Been and Where Are We Going
Preimplantation genetic diagnosis (PGD) is now considered routine in IVF laboratories with micromanipulation capability and access to genetic diagnostic services. The past two decades have witnessed a dramatic increase in the use of PGD, the number of cycles performed, and the indications for which PGD has been used. This increase has been mirrored by a slow, but steady, increase in the range o...
متن کاملPrenatal diagnostic tests of genetic disorders: review article
The purpose of prenatal diagnosis tests is insisting of diagnosis of neonatal disorders, preparing a range of informed choices and making couples at risk to be ready for having children with genetic disorders as well. The aim of this article is to investigate all of the tests in order to determine the best one which has the lowest risk and the highest sensitivity. Screening tests (maternal bloo...
متن کاملPrenatal and Postnatal Genetic Testing: Why, How, and When?
There have been major advances in genetic testing especially over the last 10 years. We have advanced from looking at simple chromosomes under a microscope to more sophisticated analysis of the DNA makeup of chromosomes and from testing a single gene to sequencing almost all of our genetic material. Similarly, in the field of prenatal testing we have made great strides in screening and diagnost...
متن کاملHereditary Nonpolyposis Colorectal Cancer (HNPCC)/Lynch Syndrome: Surveillance and Diagnostic strategies
Introduction: Hereditary nonpolyposis colorectal cancer (HNPCC, Lynch syndrome) is an autosomal dominant genetic disease. The disease is caused by a mutation in one of four genes of the DNA mismatch repair system and increases the risk for various cancers, especially the uterine and colon cancers. The prevalence of this disease in the general population is about 1 in 500 and it causes about 2-3...
متن کاملGenetic testing in children with epilepsy.
Genetic testing is now available clinically for several epilepsies. Neurologists increasingly face decisions about diagnostic testing in affected patients and should carefully deliberate the ethical considerations associated with genetic testing. The merits of ordering a genetic test are largely based on the utility for guiding clinical care, providing a prognosis, estimating recurrence risk, a...
متن کاملPrenatal Diagnostic Testing for Genetic Disorders
Fetal genetic disorders are abnormalities in structure or function caused by differences in the genome that are distinct from those primarily caused by environmental or other disruptive factors. Increasingly, it is recognized that these distinctions are not always clear. A genetic predisposition may increase a person’s susceptibility to environmental influences, and some genetic abnormalities m...
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