If your test is positive, your doctor will recommend that members of your household and other close contacts be tested as well. Factors affecting results Delay in submitting sample. A positive test means that a particular parasite or its ova are present. It's quick, painless, and inexpensive. It's simple but effective.
Some people find collecting and transporting the sample unpleasant.
The parasite may be present but not show up in a particular sample. If the test is positive, treatment can begin immediately. If the test is negative but symptoms persist, the test may be repeated or a string test may be ordered. Published under license from Houghton Mifflin Company. All rights reserved.