Ultrasound investigation or ultrasound is a diagnostic method that uses high frequency sound waves, allowing visualize a two-dimensional image of the body organs in real time. Ultrasound is often used to examine the heart, blood vessels, the digestive system and the pelvic organs. The investigation is safe and has no contraindications since the patient is not exposed to radiation. Ultrasound is recommended for pregnant women and children, who are usually not exposed to X-ray radiation, because of its danger. All the tests in our center are conducted by international protocol on the 3D-ultrasound machine.