Completely revised and updated, this edition offers evidence-based guidelines for best practices in diagnosing and treating high-risk pregnancies. Includes a new section: Disorders at the Maternal-Fetal Interface, and 6 new chapters: Biology of Parturition, Developmental Origins of Health and Disease, Intrapartum Assessment of Fetal Health, Pathogenesis of Pre-term Birth, Maternal and Fetal Infectious Disorders, and Benign Gynecological Conditions of Pregnancy.