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Genetic testing
Several types of genetic testing are done for different reasons: Diagnostic testing. If you have symptoms of a disease that may be caused by genetic alterations, genetic testing can reveal if you have the suspected disorder. Examples of disorders for which genetic testing may be used to confirm a diagnosis include adult polycystic kidney disease, iron overload (hemochromatosis) and Charcot-Marie-Tooth disease. Presymptomatic testing. If you have a family history of a genetic condition, undergoing genetic testing before you have symptoms may show if you're at risk of developing that condition. Carrier testing. If you or your partner has a family history of a genetic disorder, such as sickle cell anemia or cystic fibrosis, you may choose to have genetic testing before you have children. Genetic testing can determine if you carry a copy of an altered gene that would put a child at risk of developing the disorder. Prenatal testing. If you are pregnant, tests are available that can detect abnormalities in your fetus's genes. Spina bifida and Down syndrome are two genetic disorders that health care providers often screen for using prenatal genetic testing. Newborn screening. This is the most common type of genetic testing. In many states, it's required that all newborns be tested for gene abnormalities that cause specific conditions, such as congenital hypothyroidism and phenylketonuria. This type of genetic testing is important because if a disorder is found, care and treatment can begin right away.
Pregnancy Tests << Frequently Asked Questions << womenshealth.gov
Apr 1, 2006 ... All pregnancy tests work by detecting a certain hormone in the urine or blood that is only there when a woman is pregnant. ...
When to Take Pregnancy Tests: Home Tests, False Negatives, and ...
WebMD explains how pregnancy tests work, when to take one, and how accurate they are.
Pregnancy test - Wikipedia, the free encyclopedia
A pregnancy test attempts to determine whether or not a woman is pregnant. Modern pregnancy tests look for chemical markers associated with pregnancy. ...
Pregnancy Tests - Take a Pregnancy Test to Find Out if You're ...
Am I pregnant? It's a legitimate question for many women and one that gets asked frequent. From the first pregnancy symptom to the pregnancy test - how do ...
Pregnancy Tests
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Take a Pregnancy Test – When to Take a Pregnancy Test
Dec 9, 2010 ... For many women, deciding when to take a pregnancy test is a serious source of anxiety as the two-week wait ends. Should you take a test ...
ACOG Education Pamphlet AP133 -- Routine Tests in Pregnancy
All blood tests may not be done at the same doctor visit. Some may be done early in pregnancy and some may be done later in pregnancy. Blood tests are done ...
Pregnancy Test Information on MedicineNet.com
Mar 19, 2011 ... Learn about the different types of a pregnancy test, home pregnancy tests and pregnancy tests in the doctor's office.
Pregnancy Tests - At Home Pregnancy Tests
Learn how at home pregnancy tests work. Discover the facts about home pregnancy test accuracy.