Daniella Gray is a Newsweek Family & Parenting Reporter based in London, U.K. Her focus is on family dynamics, childhood development, parenting styles, U.S. education and current trends in family ...

Sonographers are highly skilled health care professionals who use ultrasound (sound waves) to look inside a patient's body, evaluate the condition of various organs and record digital pictures.

Ultrasound testing, also known as sonography, is a medical test that uses sound waves to produce pictures of organs, blood ...

It’s helpful for people who have dense breasts. The pictures it takes are so detailed that most people will not need to come back for more images. If something does not look right, your healthcare ...

Ultrasound close ultrasoundSound with a frequency greater than 20,000 Hz (20 kHz). waves have a frequency higher than the upper limit for human hearing - above 20,000 Hertz (Hz). Different species ...