Performs basic to advanced obstetric diagnostic ultrasound imaging and procedures, including: first trimester, nuchal translucency, anatomy, growth, dopplers, biophysical profile, basic fetal echocardiography, transvaginal ultrasound, portable imaging, amniocentesis, and chorionic villi sampling (CVS). Must demonstrate knowledge of the principles of growth and development over the life span and possess the ability to assess data reflective of the patient's status and interpret the appropriate information needed to identify each patient's requirements relative to his/her age-specific needs, and to provide the care needed as described in the department's policies and procedures.