Karyotype Test

Chromosome Analysis

What Affects the Test

Reasons you may not be able to have the test or why the results may not be helpful include:

• Being treated for cancer. Chromosomes may be damaged by some types of cancer treatment.
• The area where the cells are collected. The results of a karyotype test may depend on whether the cells were collected from the amniotic fluid, the fetus, or the placenta.

Your doctor will discuss with you any factors that can interfere with your test and the accuracy of the results.

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Author:	Maria G. Essig, MS, ELS	Last Updated: April 20, 2009
Medical Review:	Joy Melnikow, MD, MPH - Family Medicine Siobhan M. Dolan, MD, MPH - Reproductive Genetics
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