How to Interpret Your Dual Marker Test Report: A Simple Guide for Pregnant Women If you are pregnant and have recently received your dual marker test report, you may be wondering what all those numbers and terms mean. Words such as PAPP-A, free beta-hCG, MoM, risk ratio, and Trisomy 21 can be confusing. The good news is that the dual marker test is a screening test, not a diagnostic test. Its purpose is to estimate whether your pregnancy has a higher or lower chance of certai
