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.
Ultrasound: A Trimester-by-Trimester Guide. Find out what to expect at your first and second trimester ultrasound appointments, what you can learn from those ultrasounds, and why you might need an ultrasound (or a few) in the third trimester. Embryo to Fetus: Weeks 9 to 12 of Pregnancy.