A triple screen test is ordered for a 37-year-old client, who is at 16 weeks' gestation, to evaluate her risk of having a baby with a neural tube defect. The triple screen test measures all of the following substances except:

Question

Quizplus · Accepted Answer

The triple screen test does not measure pregnancy-associated plasma protein. A triple screen test is a routine prenatal screening test that measures the levels of alpha-fetoprotein, human chorionic gonadotropin and estriol. These markers are used to provide some information about a woman's risk of having a baby with certain birth defects or genetic abnormalities. This test is not diagnostic; it only screens women who need to undergo further tests for evaluation.

A Triple Screen Test Is Ordered for a 37-Year-Old Client