Karyotyping
Alternate Names : Chromosome Analysis
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Special Considerations
Chemotherapy may cause chromosome breaks interfering with normal results. Mixtures of 2 different populations of cells or chromosome constititutions are sometimes observed. This is called mosaicism and is more common in chorionic villous sampling or amniocentesis. It does not necessarily mean that the baby has abnormal chromosomes.
Your doctor may also order a test called telomeres that looks at the ends of the chromosomes. It is often ordered along with the karyotyping test.
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