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Genetic Disorders
Testing for Genetic Disorders
By Carma Haley
One of the most common means of genetic testing is done by examining strands of hair from those who are thought to be carriers. The strands of hair are tested for abnormalities of the follicle, structure or chemical makeup.
Another common method is a simple blood draw. Just as a person's blood can be tested for type or cell counts, cells of the blood hold the genetic "fingerprint" of a person, which can show any abnormalities or risk for genetic diseases.
The third method is performed during pregnancy and consists of drawing both amniotic fluid and fetal blood. The fluids are then tested for abnormalities. This test gives the parents time to prepare if a genetic disorder is found.
"Genetic testing is rather painless and can be done very quickly," says Hanson. "The hardest and most time-consuming part of the entire process is waiting for results."
Those who opt for genetic testing must understand that even if a disorder is found, the majority of these disorders do not have a cure. "Genetic testing is done primarily to help the parents prepare for what may be in store for them or as a means of planning pregnancies themselves," says Hason. "Genetic testing is not a means of curing what may be passed from parent to child – this needs to be understood. With genetic testing should come counseling and planning."
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