A clinician's textbook on using ultrasound as the main diagnostic tool in the prenatal detection of congenital abnormalities. It summarizes the prevalence, aetiology, prenatal sonographic features and prognosis for both common and rare foetal abnormalities and provides the basis of learning for the theoretical component of the Certificate of Competence in the 18-23-week scan awarded by the International Society of Ultrasound in Obstetrics and Gynecology and the International Society of Perinatal Medicine. The book's main chapters cover: standard views for examination of the foetus; the...