Comprehensive, up to date, and highly illustrated, First Trimester Ultrasound Diagnosis of Fetal Abnormalities , Second Edition, is an authoritative, systematic guide to the role of first trimester ultrasound in pregnancy risk assessment and the early detection of fetal malformations. Drs. Alfred Z. Abuhamad, Rabih Chaoui, and Bernard Benoit cover all recent advances in the use of ultrasound in early gestation, accompanied by more than 2,000 example scans, illustrations, and tables, making this thoroughly revised text an excellent daily resource in clinical practice. Coversgeneral aspects of first trimester ultrasound, including physical principles and bioeffects, technical aspects, fetal biometry and pregnancy dating, image optimization with grayscale, color Doppler and three-dimensional ultrasound, screening for chromosomal aneuploidies, multiple pregnancies, and more Provides detailed coverage offirst trimester ultrasound findings in normal and abnormal conditions, covering various organ systems as well as the placenta and umbilical cord with new chapters on embryology and embryonic abnormalities and genetic syndromes Contains more than 200 anatomical illustrations, 30% more ultrasound scans, andeight all-new chapters Includesvaluable tips and pearlsfrom Drs. Alfred Abuhamad and Rabih Chaoui, the team behind the bestselling Practical Guide to Fetal Echocardiography , and new author Dr. Benedict Benoit, an international expert on fetal ultrasound.