Quadruple screen test

Quad screen; Multiple marker screening; AFP plus; Triple screen test; AFP maternal; MSAFP; 4-marker screen; Down syndrome - quadruple; Trisomy 21 - quadruple; Turner syndrome - quadruple; Spina bifida - quadruple; Tetralogy - quadruple; Duodenal atresia - quadruple; Genetic counseling - quadruple; Alpha-fetoprotein quadruple; Human chorionic gonadotropin - quadruple; hCG - quadruple; Unconjugated estriol - quadruple; uE3 - quadruple; Pregnancy - quadruple; Birth defect - quadruple

The quadruple screen test is a blood test done during pregnancy to determine whether the baby is at risk for certain birth defects.

Quadruple screen

A blood test can be performed between the 15th and 22nd weeks of the pregnancy to determine whether the baby is at risk for certain birth defects. Blood is drawn from a vein and the sample is sent to a laboratory for testing. If the test is abnormal other tests can be performed to rule out birth defects.

How the Test is Performed

How to Prepare for the Test

How the Test will Feel

Why the Test is Performed

Normal Results

What Abnormal Results Mean

Considerations