The prompt recognition and management of medical problems occurring in the first trimester can significantly improve the health and outcomes of mother and baby. Early Pregnancy was the first book to embrace a multidisciplinary approach to this rapidly growing field. It combines the expertise of a wide range of internationally renowned authors to produce an authoritative reference on the subject. This new and updated edition reflects the latest changes in the field in response to changing clinician needs, such as COVID 19 infections and novel 3D imaging techniques. Features key recommendations, providing clinicians with the tools to improve the patient's experience of the management of first-trimester complications. By combining essential elements of scientific research and clinical care, Early Pregnancy continues to set a benchmark for evidence-based management and will be essential reading for obstetricians, gynaecologists, neonatologists, ultrasonographers, and nurses seeking an understanding of the reproductive science of early pregnancy.