Clark State College’s Diagnostic Medical Sonography — Obstetrics and Gynecology program has been awarded initial accreditation by the Commission on Accreditation of Allied Health Education Programs (CAAHEP). Diagnostic Medical Sonography (DMS), which is the non-invasive use of high frequency sound waves to image anatomic structures within the body, is an abdominal, obstetrics, gynecology and vascular ultrasound program.