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Alternative Names Return to top
Parasites and stool ova examDefinition Return to top
Stool ova and parasites exam is a laboratory test that checks a stool sample for parasites or eggs (ova) that are associated with intestinal infections.
How the Test is Performed Return to top
A stool sample is needed. There are many ways to collect the sample. You can catch the stool on plastic wrap that is loosely placed over the toilet bowl and held in place by the toilet seat. Then, put the sample in a clean container.
One test kit supplies a special toilet tissue that you use to collect the sample, then put the sample in a clean container.
To collect a sample from a child in diapers, line the diaper with plastic wrap. If the plastic wrap is positioned properly, you can keep the stool separate from urine, thus ensuring a better sample.
Return the sample to your health care provider's office or laboratory as directed. At the lab, a small smear of stool is placed on a microscope slide and examined.
How the Test Will Feel Return to top
The laboratory test does not involve the patient. There is no discomfort.
Why the Test is Performed Return to top
Your doctor may order this test if you have signs of a parasitic infestation, prolonged diarrhea of unknown cause, or other intestinal symptoms.
Normal Results Return to top
There are no parasites or eggs in the stool sample.
What Abnormal Results Mean Return to top
An abnormal result means parasites or eggs are present in the stool. This is a sign of a parasitic infestation. Such infections include:
Risks Return to top
There are no risks.
Update Date: 12/3/2007 Updated by: D. Scott Smith, M.D., MSc, DTM&H, Chief of Infectious Disease & Geographic Medicine, Kaiser Redwood City, CA & Adjunct Assistant Professor, Stanford University. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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Page last updated: 25 September 2008 |