In consultation with Dr. William Rayburn, Consulting Editor, Drs. Larry Platt and Christina Han have put together expert authors to provide a current update on ultrasound in gynecology and pregnancy. The clinical review articles have high utility and include the following topics: Normal pelvic anatomy; Ultrasound in evaluation of pelvic pain; Abnormal uterus and uterine bleeding; Abnormal ovaries and tubes; Methods of assessing ovarian masses: IOTA approach; Imaging in endometriosis; Assessment of IUD; Ultrasound evaluation in infertility; Ultrasound in pelvic floor dysfunction; Non-gynecologic findings in the pelvis; Three-D imaging in gynecology; Pregnancy of unknown location; Cesarean scar ectopic; Early pregnancy evaluation of anomalies; and Coding and legal issues in gynecologic ultrasound. Readers will come away with the information they need to provide current, authoritative care to their patients and to improve outcomes.