Each of the 6 units of PROLOG addresses a major area in obstetrics and gynecology and consists of two parts—an assessment book and a critique book. Put your knowledge to the test and earn 14 CME credits for this volume! This edition contains a critique book and an assessment book. The assessment for this edition is available online, and can be purchased at acog.org/prologexam. On completion, users of this unit should be able to: Discuss normal pelvic anatomy and physiology and how alterations in anatomy and physiology contribute to development of pelvic floor disorders Identify the pathophysiologic and epidemiologic factors that contribute to pelvic floor disorders in women Associate symptom bother and quality of life impact of different pelvic floor disorders, determine appropriate diagnostic workups, and select accurate diagnoses Associate pelvic floor symptoms with corresponding signs on examination and testing to ensure accurate diagnoses Discuss the alternative surgical and nonsurgical treatment options for pelvic floor disorders and identify common complications of therapy Apply knowledge of anatomy and appropriate surgical techniques in the surgical treatment of pelvic floor disorders