Chromosomal Microarray Test by Blood Test Cost & Procedure

Test using Microarray

A genetic study known as a microarray (MY-cro-a-ray) test has been requested by your healthcare physician. The test is sometimes referred to as an SNP microarray, whole genome microarray, array comparative genomic hybridization, or array CGH. This examination helps determine whether your child has a medical problem brought on by:

Chromosomes can have tiny deletions or duplications of chromosomes, the full chromosomal pair being inherited from a single parent, or substantial sections of several chromosomes sharing the same genetic material.

This examination does not screen for every potential genetic disorder or reveal details about a particular gene.

Chromosomes

Billions of cells make up the human body. Chromosomes are located within each cell. Chromosomes are biological objects that house hundreds of genes. DNA constitutes genes. They instruct the body on how to function and grow. Traits like our blood type, eye colour, and hair colour are all qualities that are encoded in our genes.

46 chromosomes, organised in 23 pairs, are typically present in each cell.

Male and female chromosomes should be the same size and shape in the first 22 pairs. The final pair of chromosomes is known as the sex chromosome because it determines the genetic gender of an individual at birth. A female possesses two X chromosomes. Both the X and Y chromosomes are present in one copy in males.

Microarray analysis, sometimes known as a genetic test, was requested by your healthcare physician. Chromosome microarray, whole genome microarray, array comparative genomic hybridization (array CGH or aCGH), and SNP microarray are other names for the test. This examination assists in determining whether your child has a health issue brought on by:

Chromosomes include tiny deletions and duplications of chromosomes, pairs of chromosomes that are entirely inherited from a single parent, and huge regions of several chromosomes that are identical.

This test does not screen for every genetic disorder that might exist or provide details about a particular gene.

How to Conduct the Test

Microarray analysis is most often performed on blood samples. Occasionally, saliva or a tissue sample, such as skin, may be used. The test does not reveal chromosomal structural alterations. The test results can take up to 4 weeks to be received.

Why Take the Examination

Finding the genetic basis for your child's medical problem could be one of the test's outcomes.

alterations to your child's medical care.

finding out the likelihood that your child may pass on a genetic mutation to their offspring.

when both parents and the child are tested, understanding the risk for further pregnancies.

When a chromosome is incomplete or has an extra copy:

• It can result in health issues such birth abnormalities, seizures, developmental delays, learning difficulties, and autism.
• Periodically, there are no issues.
• The doctor may also wish to test parents and other family members if a chromosome is missing or excess.