Correct Answer:
Option C - Ultrasonography or sonography is an important means of medical diagnosis. It is an illustration technique based on the ultrasonic wave. It has many uses in the field of medicine. It provides information about the health of the fetus in pregnancy
C. Ultrasonography or sonography is an important means of medical diagnosis. It is an illustration technique based on the ultrasonic wave. It has many uses in the field of medicine. It provides information about the health of the fetus in pregnancy