Triple test Triple test The triple test, also called triple screen, the Kettering test or the Bart's test, is an investigation performed during pregnancy in the second trimester to classify a patient as either high-risk or low-risk for chromosomal abnormalities (and neural tube defects). The term "multiple-marker screening test" is sometimes used instead. This term can encompass the "double test" and "quadruple test" (described below). The Triple screen measures serum levels of AFP, estriol, and beta-hCG, with a 70% sensitivity and 5% false-positive rate. It is complemented in some regions of the United States, as the "Quad screen" (adding inhibin A to
Owned-and-operated television stations in the United States is now owned by Deerfield Media under a local marketing agreement with Sinclair Broadcast Group); KTXH (channel 20) in Houston and WDCA (channel 20) in Washington, D.C. were sold to Fox Television Stations that same year (as part of the aforementioned swap with KBHK, both are now owned-and-operated stations of MyNetworkTV). In 2005, WNDY-TV (channel 23) in Indianapolis and WWHO (channel 53) in Columbus were sold to LIN TV; in 2006, KAUT-TV (channel 43) in Oklahoma City was sold to The New York Times Company (which later sold its entire television group to Local TV, which in turn was subsequently