Preeclampsia can be a life-threatening complication of pregnancy, but a new blood test ... weeks of pregnancy, Labcorp said in a news release announcing the launch of the test.

Labcorp is now offering a blood-based biomarker test in the U.S. to support the diagnosis of Alzheimer's disease. The immunoassay measures the ratio of ptau-217 and beta amyloid 42, two distinct ...