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Chromosome Analysis, Blood

 Overview Brief

Chromosome Analysis Blood Test examines the quantity and structure of a person’s chromosomes to identify abnormalities. [1]

What is Chromosome Analysis Blood Test?

The Chromosome Analysis Blood Test is extensively done to identify certain chromosome abnormalities that aid in diagnosing birth defects, genetic diseases, various disorders of the blood and, lymphatic system. [1]

Why is the Chromosome Analysis Blood Test suggested?

Chromosome Analysis Blood Test is suggested in case of:

Abnormal pregnancy screening tests.

  • Signs of an abnormality-associated chromosomal disorder.
  • Leukemia
  • Lymphoma
  • Myeloma
  • Myelodysplasia

The Chromosome Analysis Blood Test is also conducted in the case of chromosome acquired abnormality.

How is the Chromosome Analysis Blood Test performed?

Chromosome Analysis Blood Test is performed as follows:

  • Drawing blood from the vein of the patient’s arm.
  • A sample of amniotic fluid or chorionic villus from an expectant woman.
  • A bone marrow or tissue sample.

What are the parameters measured in the Chromosome Analysis Blood Test?

Elucidation of test results is done by a person with expert training in cytogenetics. Some findings are comparatively uncomplicated, for example, an extra chromosome 21 (Trisomy 21) indicates the Down syndrome, however, others may be very difficult. [1]

Preparation before performing Chromosome Analysis Blood Test

No preparation is required in case of Chromosome Analysis Blood Test.

Post-care after Chromosome Analysis Blood Test

Chromosome Analysis Blood Test is a simple procedure. No special care is required to post the sample for testing has been given.  A bandage may be required as blood is drawn.

 Sample types in Chromosome Analysis Blood Test

A blood sample is drawn.

Side effects/risks of Chromosome Analysis Blood Test

Chromosome Analysis Blood Test is a simple lab test. There are no side effects or risks of undergoing the test. However, there might be a slight pain when the needle is inserted. [1]

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