This is a unique textbook that applies the Problem-based Learning approach to medical education in its presentation of the necessary topics for a core curriculum in Obstetrics and Gynecology. The contributors were carefully selected for their expertise in their chosen fields and their commitment to medical student education. This text is organized according to the instructional objectives of a student clerkship as published by the Association of Professors in Gynecology and Obstetrics (APGO). Each chapter integrates true-life clinical examples to reinforce the link between basic science principles and clinical concepts. It includes the most pertinent information presented in a clear writing style and concise chapter structure. It features over 150 figures and photographs that illustrate material, and over 130 charts and tables that provide quick access to key information.It includes board-style review questions and chapter summaries that provide quick review for use during the clerkship rotation and USMLE Step 2 review.