Can a blood test detect ovarian cancer?

Can a blood test detect ovarian cancer?

Blood test (CA125 test) If the GP thinks your symptoms could be due to ovarian cancer, they'll recommend having a blood test to check for a substance called CA125. CA125 is produced by some ovarian cancer cells. A high level of CA125 in your blood could be a sign of ovarian cancer.

Can ovarian cancer be missed on ultrasound?

Both the CA-125 test and transvaginal ultrasound generate so many false positives they are not recommended for screening the general population. A CA-125 can miss half of the women with early ovarian cancer, and several benign conditions can cause an elevation of CA-125 levels, Dr. Trimble said.