Answer:
Ultrasound sonography.
Explanation:
The prenatal testing may be defined as the procedure used for the testing of the fetus before birth. The prenatal testing is performed in a specific days after the doctor's prescription.
Ultrasound sonography is a technique used to visualize the body movement of the fetus. The shape, size and some kind of defects in the defects can easily be detected by the sonography. The sonography can produce the images of the fetus.
Thus, the answer is ultrasound sonography.
