Amniocentesis

 

drawing of the amniocentesis procedure--amniotic fluid is extracted with a hypodermic needle inserted through the abdomen; the needle is guided with the aid of an ultrasound monitor

 

Chorionic Villi Sampling

 

drawing of the chorionic villi biopsy process--a flexible plastic catheter tube is inserted through the vagina into the uterus guided by an ultrasound monitor and a small amount of the chorion is sucked off

 

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Copyright 1998-2012 by Dennis O'Neil. All rights reserved.
illustration credits