Triple test UK the double test is part of the combined test for prenatal diagnostics. A test of levels of dimeric inhibin A (DIA) is sometimes added to the other three tests, under the name "quadruple test." Other names used include "quad test", "quad screen", or "tetra screen." Inhibin A will be found high in cases of trisomy 21 and low in cases of trisomy 18. 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
Owned-and-operated television stations in the United States and CBS' KMOX-TV (channel 4, now KMOV) in St. Louis. As a result of a revision to the FCC's media ownership rules in 1999, a company can now own any number of television stations with a combined market reach of less than 39% of the country, but cannot own two of the four highest-rated stations in any market. Still, O&Os in the United States are primarily found in large markets such as New York City, Los Angeles and Chicago, among others. Despite that, network-owned stations can still be found in smaller markets (for example, KFSN-TV (channel 30) in Fresno, California