Ultrasound uses high-frequency sound waves to create an image of part of the inside of the body. Ultrasound scan is a noninvasive imaging test which has no known risks. Hence, It is safe and commonly used for scanning.

Abdomen ultrasound can scan for liver, kidney, gallbladder, and blood vessels. Pelvic ultrasound can scan for bladder, uterus, cervix, vagina, fallopian tubes and ovaries for females, while seminal vesicles and the prostate gland for males.