A Chorionic Villus biopsy test can be preformed by a doctor by conducting an ultrasound to insert a very thin tube through the cervix to the uterus and remove a small portion of the placenta to be tested for CF. A Trypsinogen test is preformed as a new born baby screening to check the baby's risk of having of having CF... displayed 300 characters
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This test is often ordered when a child is not producing enough sweat to do a Sweat Chloride test. The Sweat Chloride test is the most common and how most parients with CF were diagnosed instead of any type of DNA testing such as blood tests. The main reasons to be tested for the CFTR gene are if there is a family history of the disease existing or you are planning a pregnancy... displayed next 300 characters
Even with the technological advances
made through out the years, the fatality rate of amniocentesis during the early stages of
pregnancy was 2.3%, and therefore it was not a generally accepted practice (Woo, 2006)...
Complete the medical test information form to help you understand the importance of the test.
Karyotyping may be done on a sample of bone marrow. For more information, see the medical test Bone Marrow Aspiration and Biopsy...
Some symptoms of CF include a distended abdomen, diarrhea, foul-smelling stools, malnutrition even though a healthy diet is instituted, nasal polyps, sinus disease, repeated respiratory disease, infertility, liver disease and diabetes (Cystic Fibrosis)...
and functions of proteins are determained by genes problems with ion transport can be assumed to have a genetic basis. In 1989 an American Canadian research team found thre defect in the gene called the cystic fibrosis transmembrane conductance regulator gene ,produces a protein that usually helps maintain normal levels of chloride...
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