The book provides a comprehensive overview of the use of non-invasive prenatal screening (NIPS) in clinical practice. It covers advanced genomic approaches and operational strategies related to NIPS. It aims to fill a gap by offering a thorough historical background and genesis of NIPS technology, including its methodology, clinical utility, challenges, and future directions. The book is divided into three sections: Section I discusses the advent of NIPS, Section II addresses detection strategies and clinical implementation, and Section III explores the challenges and prospects of NIPS technology. The book benefits specialists who practice prenatal medicine as well as reproductive specialists, genetic councilors, research scholars and postgraduate medical students of obstetrics and gynecology.