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 Corporation's CBS Television Stations subsidiary with the network instead of Fox's UPN-affiliated stations. In fact, two of the former Chris-Craft stations have the distinction of being owned-and-operated stations of two networks: WWOR-TV (the second in the New York City market after sister station WNYW, which has been an O&O of DuMont and Fox), and KCOP-TV (the first and only station in the Los Angeles market), both having been O&Os of UPN and MyNetworkTV. Viacom/CBS sold off several UPN owned-and-operated stations during the network's final five years. Mercury Broadcasting bought Wichita, Kansas' KSCC (channel 36, now KMTW) in 2001 (the station