How to Read Pregnancy Tests: Accuracy & hCG Results

Reading pregnancy test results accurately depends on timing and identifying how medications or supplements might cause false hCG or blood test readings.

What Is the Meaning of PSA Results?

Published Jun,13 2017 | By Susan T. McClure

Controversy surrounds the usefulness of the prostate serum antigen (PSA) test for prostate cancer screening and the interpretation of its results. Factors such as age, race, medical history and even the type of PSA test used can greatly affect the results and muddle the interpretation.