triple-marker test

triple-marker test

Testing for Down syndrome by assessing maternal serum levels of alpha-fetoprotein, human chorionic gonadotropin, and unconjugated estriol. The test is sometimes used as an alternative to amniocentesis.
References in periodicals archive ?
New tests are needed, not just to replace the triple-marker test or inhibin-containing quadruple-marker test, but also to supplant the hCG assay, the base test at the root of these combinations.
The serum triple-marker test can also be used for detecting trisomy 18 (20).