This book explores the recent clinical and research findings in the field of prenatal screening and diagnosis. It presents new devices and tests such as real-time 3D ultrasound, ultrafast fetal MRI, and next-generation sequencing and discusses genetic counseling and fetal therapy. Written by pioneering scientists, the book is divided into six themed parts: ultrasound examination, genetic tests, genetic disorders, chromosomal diseases, genetic counseling, and techniques, presenting carefully prepared original data.This thought-provoking, instructive and informative book is intended for geneticists, obstetricians, pediatricians, genetic counselors and nurses. Although the incidence of congenital abnormalities such as structural, chromosomal and genetic disorders is very low, it is important to have accurate information on their incidence and likely outcome, and on the screening and diagnosis of congenital abnormalities during pregnancy care. This book provides valuable insights into prenatal screening, genetic counseling and fetal diagnosis.