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Karyotyping

Also known as: Karyotype; Cytogenetics; Cytogenetic Analysis; Chromosome Studies; Chromosome Karyotype
Formal name: Chromosome Analysis
Related tests: Amniotic Fluid Analysis, Triple/Quad Screen, First Trimester Down Syndrome Screen, Chorionic Villus Sampling, Bone Marrow Aspiration and Biopsy

Why should I do it?
To detect chromosome abnormalities, thus to help diagnose genetic diseases, some birth defects, and certain hematologic and lymphoid disorders

When should I do it?
When pregnancy screening tests are abnormal; whenever signs of a chromosomal abnormality-associated disorder are present; as indicated to detect chromosomal Abnormalities in a person and/or detect a specific abnormality in family members; sometimes when a person has leukemia, lymphoma, myeloma, myelodysplasia or Another cancer and an acquired chromosome abnormality is suspected

What Kind of Sample is Needed?
A blood sample drawn from a vein in your arm; a sample of amniotic fluid or chorionic villus from a pregnant woman; a bone marrow or tissue sample

Test Preparation Needed?
None