<prompt> Triple Marker test includes :hCG, AFP, and unconjugated estriolhCG, AFP, and unconjugated estradiolhCG, PAPP-A, unconjugated estriolInhibin A, hCG PAPP-A  <response>: Ans. is a i.e., hCG, AFP, and unconjugated estriol Triple Marker Test This is a screening test done between 16 and 18 weeks of gestation, mainly to identify a mother who is at a high risk of having a fetus with trisomy 21. It involves estimation of 3 hormones: HCG, AFP, and unconjugated estriol UE3.InterpretationTrisomyhCGAFPUE3Down syndrome T 21Edward syndrome T 18 