It's the eighteenth edition of the International Course "2027 Neonatal Ultrasound Course. Why,how and when an ultrasound image ?".It's a Course open to neonatologists,paediatricians,paediatric radiologists,who like to learn Neonatal Ultrasonography. It's a webinar Course.The main topics: US Physics,Knobology in US,Quality Safety and Assurance in US,Neonatal brain US, Neonatal Chest,Lung and Spine US,Abdomen US(intestinal tract,liver,spleen,pancreas),Urogenital US,Small Parts US.Every lesson will have special tests for the participants.The recording of the lessons permit to watch them for two months.The lecturers are expert paediatric radiologists and excellent teachers.The Course's language is English.