An examination of the internal organs of the body with high frequency sound waves to check for abnormalities of the abdominal organs and other organs. Ultrasound is a non-X-ray examination. Therefore, it is safe to be used to examine children in the mother's womb. The advantage of ultrasound examination is that it is safe without radiation.
An electromagnetic field examination combined with radio frequency. No harmful X-rays to the body It can provide images that clearly distinguish between different tissues, making it more accurate in an advance diagnose.