Book excerpt: Comprehensive in scope, easy to use, and aligned to the gold standard text in the field, Creasy-Resnik's Study Guide for Maternal-Fetal Medicine is a highly effective study tool. Questions and answers written by Creasy-Resnik authors prepare you and assess your knowledge. - Includes hundreds of questions and answers written by renowned experts in obstetrics, gynecology, and perinatology, with rationales linked directly to Creasy and Resnik's Maternal-Fetal Medicine: Principles and Practice, 9th Edition. - Covers all topics and content in the core text, including maternal and fetal viral infections, sexually transmitted disease, and current information on genetics—all reflecting the latest evidence-based guidelines and research.