Chapters on continuing pregnancy following the diagnosis of fetalabnormality and prenatal diagnosis in a multicultural society have been added. A glossary of the meanings of words used in couselling for prenatal diagnosis is included. Two chapters written from the mother's and father's perspectives provide a unique insight into personal and first-hand experience of prenatal screening. Lenore Abramsky is a Genetic Associate in the North Thames Perinatal Public Health Unit and Honorary Lecturer, Imperial College, School of Medicine, London, UK Dr Jean Chapple is Consultant in Perinatal Epidemiology, Westminster Primary Care Trust, and Honorary Senior Lecturer, Imperial College, London, UK.