What Are the Benefits of Pgd?
Pre-implantation Genetic Diagnosis, or PGD, is a technology that permits the genetic testing of an embryo. PGD screens embryos for certain diseases so that parents with a history of genetic defects can have a healthy baby.
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How it works
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PGD is used with in vitro fertilization (IVF) to allow only embryos found to be free of a specific genetic disease to be transferred into a woman to create a pregnancy.
For couples with known genetic risks
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PGD is beneficial for couples who have a significant risk of passing on known genetic diseases. These genetic diseases include cystic fibrosis, sickle cell anemia, spinal muscle atrophy, Huntington's disease, hemophilia, Duchenne muscular dystrophy, and more.
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Avoiding termination of a pregnancy
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Only embryos diagnosed as free of a specific genetic disease will be transferred into the woman for pregnancy. PGD helps prevent the later decision the family may have as to whether or not to terminate the pregnancy.
Non-disclosing benefit
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Using PGD will eliminate the need to subject 'at risk' adults to undergo testing for a serious adult-onset disease. This is known as "non-disclosing" PGD.
Low incidence of birth defects
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The incidence of birth defects is reported to be from 3 to 5 percent. However, this is the same rate of birth defects detected in babies who are not undergoing PGD.
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References
- Photo Credit Image by Flickr.com, courtesy of Raphael Goetter
