triple-marker screen

triple-marker screen

Triple screen profile A popular term for a diagnosis based on measurement of 3 substances–eg, AFP, hCG, unconjugated estriol, which are ↑ in Down syndrome–DS, trisomy 21. See Alpha-fetoprotein, Estriol.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.