This book discusses the fundamentals as well as modern approaches of pediatrics. As a field of medical science, pediatrics refers to the study of disorders related to infants, children, pre-teens and teens. It has many sub-specialities like neonatology, social paediatrics, adolescent medicine, pediatric nephrology, etc. This book includes a detailed explanation of various concepts and essential theories related to this field. It elucidates the new techniques and applications emerging in this subject. It is a valuable compilation of topics, ranging from the basic to most complex advancements in the field of pediatrics. It includes contributions of experts and practitioners from across the globe to provide readers with in-depth knowledge about this area. Students, experts, researchers and paediatricians will find this book full of crucial and beneficial content.