Stool Sample Allergy
Chorionic villus sampling (CVS) is the removal of a small piece of placenta tissue (chorionic villi) from the uterus during early pregnancy to screen the baby for genetic defects.
How the test is performed
CVS can be done through the cervix (transcervical) or through the abdomen (transabdominal). The techniques are equally safe when done by a provider with experience, although miscarriage rates are slightly higher when done through the cervix. The health care provider will use...
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From Our Sources
Stool ova and parasites exam
Source: ADAM Encyclopedia
Stool ova and parasites exam is a laboratory test to determine if a stool sample contains parasites or eggs (ova) that are associated with intestinal... Read more »
Stool Gram stain
Source: ADAM Encyclopedia
A stool Gram stain is a laboratory test that uses different stains to detect and identify bacteria in a stool sample.The Gram stain method is... Read more »
Stool C. difficile toxin
Source: ADAM Encyclopedia
The stool C. difficile toxin test detects harmful substances produced by the bacterium Clostridium difficile (C. difficile) in a stool sample. This... Read more »
Trypsin and chymotrypsin in stool
Source: ADAM Encyclopedia
Trypsin and chymotrypsin are substances released from the pancreas during normal digestion. When the pancreas does not produce enough trypsin and... Read more »
Stool guaiac test
Source: ADAM Encyclopedia
The stool guaiac test finds hidden (occult) blood in the stool (bowel movement), even when you cannot see the blood yourself. It is the most common... Read more »
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