There are many possible causes of pelvic pain in a non-pregnant female patient, and it has been estimated to be responsible for nearly 40% of all visits by female patients to a family doctor and 10% of all referrals to specialist gynecologists. However, the topic of how to investigate and diagnose has been surprisingly neglected in print. This important and much-needed text from internationally respected experts shows how important ultrasound can be as a tool for physicians caring for women's health.