But add in the cost of recruiting, training and more, and the dollars start growing. (Save time and money by following these tips to a smooth career transition.
Most ultrasound exams require no preparation, with a few exceptions: 1  For some ultrasound exams, such as of the gallbladder, your doctor may ask that you not eat or drink for up to 6 hours before the exam.
A small amount of ultrasound gel is put on the skin of the lower abdomen, with the ultrasound probe then scanning through this gel. The gel helps improve contact between the probe and your skin. Sometimes a transvaginal ultrasound is also needed during a third trimester ultrasound.