What prenatal technique uses high-frequency waves to examine the characteristics of the fetus in-utero?

Question

Quizplus · Accepted Answer

Ultrasound uses high-frequency waves to examine the characteristics of the fetus in-utero. Amniocentesis and chorionic villus sampling are invasive tests that involve taking samples of amniotic fluid or placental tissue, respectively, for genetic testing. Alpha-fetoprotein is a blood test used to screen for certain birth defects.

What Prenatal Technique Uses High-Frequency Waves to Examine the Characteristics