The updated 4th Edition of Stephenson's Diagnostic Medical Sonography: Obstetrics and Gynecology offers the most in-depth, current, and consistent coverage of this crucial sonography topic available today. And is an intregal part of the Diagnostic Medical Sonography Series, which includes new editio...ns of Diagnostic Medical Sonography: Abdomen and Superficial Structures, Diagnostic Medical Sonography: Obstetrics and Gynecology, and Diagnostic Medical Sonography: The Vascular System, provides the right content at the right level for the right way to teach and learn. New and updated images throughout each text help bring the visual field of sonography to life. Up-to-date coverage of diagnostic criteria in every text reflects today's best practices. Pathology boxes with tables of relevant pathologies are ideal for quick reference or review. Critical Thinking Questions in every chapter help students apply their knowledge to clinical situations and develop the analytical skills they'll need for a career in sonography. A complete Glossary defines important terminology to help students master the vocabulary of the profession. Updated references reflect the latest research in the field. eBook available for each title. Faster, smarter, and more convenient, today's eBooks can transform learning. These interactive, fully searchable tools offer 24/7 access on multiple devices, the ability to highlight and share notes, and much more. A hands-on workbook (available separately for each series title) provides a variety of custom-designed exercises to help students master each objective and get the most out of their study time.