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.
Most doctors only schedule one ultrasound (16-22 weeks) unless there is a problem or history of problems. To answer the question &quot;When is the best time to get an ultrasound,&quot; 20-22 weeks is the best time to diagnose serious problems. If you do it any sooner, you may miss problems that haven't developed yet.