Cancer antigen 125 (CA-125) is a protein found in ovarian cancer cells. A CA-125 blood test measures the amount of cancer antigen 125 in the bloodstream. The protein is produced by the cells and can ...

The cancer antigen 125 (CA-125) test is a blood test. It measures a protein in the bloodstream that can indicate various health conditions. These include certain types of cancer, such as ovarian ...

Should I ask my doctor for a CA 125 blood test to screen for ovarian cancer? The cancer antigen 125 (CA 125) blood test isn't recommended for women with an average risk of ovarian cancer. While women ...

The accuracy of the cancer antigen (CA)–125 test in predicting ovarian cancer varies by ethnicity, primarily due to factors like age and comorbidities rather than ethnicity itself. General ...