After a bone marrow aspiration and biopsy test, you may feel stiff or sore at the injection site. This usually goes away in a few days.
Your health care provider may recommend or prescribe a pain reliever to help. If your results were abnormal not normal, it means you or your child has more or fewer than 46 chromosomes, or there is something abnormal about the size, shape, or structure of one or more of your chromosomes. Abnormal chromosomes can cause a variety of health problems.
The symptoms and severity depend on which chromosomes have been affected. If you were tested because you have a certain type of cancer or blood disorder, your results can show whether or not your condition is caused by a chromosomal defect. These results can help your health care provider make the best treatment plan for you. Learn more about laboratory tests, reference ranges, and understanding results.
If you are thinking about getting tested or have received abnormal results on your karyotype test, it may help to speak to a genetic counselor. A genetic counselor is a specially trained professional in genetics and genetic testing. He or she can explain what your results mean, direct you to support services, and help you make informed decisions about your health or the health of your child. The information on this site should not be used as a substitute for professional medical care or advice.
Contact a health care provider if you have questions about your health. Karyotype Genetic Test. What is a karyotype test? Other names: genetic testing, chromosome testing, chromosome studies, cytogenetic analysis.
What is it used for? A karyotype test may be used to: Check an unborn baby for genetic disorders Diagnose a genetic disease in a baby or young child Find out if a chromosomal defect is preventing a woman from getting pregnant or is causing miscarriages Check a stillborn baby a baby that died late in pregnancy or during birth to see if a chromosomal defect was the cause of death See if you have a genetic disorder that could be passed along to your children Diagnose or make a treatment plan for certain types of cancer and blood disorders.
Why do I need a karyotype test? These include: Your age. The overall risk of genetic birth defects is small, but the risk is higher for women who have babies at age 35 or older. Family history. What happens during a karyotype test? The most common ways to get a sample include: A blood test.
For this test, a health care professional will take a blood sample from a vein in your arm, using a small needle. After the needle is inserted, a small amount of blood will be collected into a test tube or vial. You may feel a little sting when the needle goes in or out.
This usually takes less than five minutes. Prenatal testing with amniocentesis or chorionic villus sampling CVS. Chorionic villi are tiny growths found in the placenta. For amniocentesis: You'll lie on your back on an exam table. So one of the most common things we can see on karyotyping is an extra Chromosome 21, which is associated with Down syndrome. We also get karyotypes when pregnant women choose to have testing on their unborn fetus, and the karyotype allows the providers to look at and count the chromosomes to determine whether or not the child is affected by having an extra chromosome.
Barbara Bowles Biesecker, Ph. Featured Content. Your genes determine your traits, such as eye color and blood type. Click Image to Enlarge. The usual number of chromosomes inside every cell of your body is 46 total chromosomes, or 23 pairs. You inherit half of your chromosomes from your biological mother, and the other half from your biological father.
Scientists have numbered the chromosome pairs from 1 to 22, with the 23rd pair labeled as X or Y, depending on the structure.
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