prenatal screening


pre·na·tal screen·ing

screening for the detection of fetal disease, usually by ultrasound examination or by testing amnionic fluid obtained by amniocentesis. Other screening techniques include testing maternal serum and placental biopsy.

prenatal screening

Testing of maternal serum, amniotic fluid, or chorionic villi to evaluate the developing fetus for congenital diseases such as Down syndrome or structural heart defects.See also: screening