AIUM

The American Institute of Ultrasound in Medicine (AIUM) is a multi-disciplinary, non-profit organization dedicated to advancing the art and science of ultrasound in medicine and research through its educational, scientific, literary and professional activities. Membership is open to physicians, scientists, and sonographers.  The AIUM provides ultrasound professionals with formal position statements on relevant topics including safety, training, and other ultrasound practice issues.  

Here is a link to its official statements: https://www.aium.org/resources/official-statements

To help you understand the important points in these statements, I have summarized a few of the statements here.

Here is a link to its practice parameters: https://www.aium.org/resources/practice-parameters

The AIUM also publishes a highly respected journal, the Journal of Ultrasound in Medicine, as well as hosting an important annual educational conference.