7019. Karyotyping (blood, Williams syndrome, GTG- and FISH-methods)
Important information
*The test may be taken in:
- Kyiv (Mon-Sun)
- Kyiv region, Zhytomyr, Chernihiv, Cherkasy, Kropyvnytskyi, Uman, Sumy (Mon.-Sat.)
- Other regions (Mon-Fri)
Description
Williams syndrome is a genetic disease characterized by the formation of a specific appearance, a decrease in intelligence, a tendency to develop several somatic diseases, and minor mental disorders. It occurs due to mutations in the genes of the fetus during pregnancy or is inherited.
The causative factor is the absence of the genome in 26-28 genes.
Karyotyping allows to identify these disorders with high accuracy and finally confirm the diagnosis of Williams syndrome.
When and who needs the test?
- prenatal and postnatal diagnostics in case of suspected abnormalities in the development of the fetus;
- during planning for subsequent pregnancies if the family has a child with microdeletion syndrome.
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...