Karyotype Test

Chromosome Analysis

How It Feels

Blood sample from a vein

You may feel nothing at all from the needle puncture, or you may feel a brief sting or pinch as the needle goes through the skin. Some people feel a stinging pain while the needle is in the vein. But many people do not feel any pain, or have only minor discomfort, once the needle is positioned in the vein. The amount of pain you feel depends on the skill of the health professional drawing the blood, the condition of your veins, and your sensitivity to pain.

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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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