Book excerpt: Beckmann and Ling’s Obstetrics and Gynecology, 9th Edition, provides the foundational knowledge medical students need to complete an Ob/Gyn rotation, pass national standardized exams, and competently care for women in clinical practice. Highly respected for its authoritative expertise and preferred by students for its concise, consistent approach, the text is fully aligned with the Association of Professors of Gynecology and Obstetrics' educational objectives, upon which most clerkship evaluations and final exams are based. The 9th Edition is updated throughout and enhanced with engaging new features that encourage reflection, strengthen retention, and deliver critical preparation for exams and clinical practice.