Embryology of the Urinary Tract -- Normal Development of Renal Function of the Newborn -- Fluid and Electrolytes in the Newborn -- Special Considerations -- Tools for the Assessment of Renal Function in the Newborn -- Oral and Parenteral Nutrition of the Newborn with Urinary Tract Disease -- Fetal Urology -- Imaging of the Urinary Tract in Newborns -- Urinary Tract Infections -- Hydronephrosis -- Posterior Urethral Valves -- Prune Belly Syndrome -- Structural Abnormalities of the External Genitalia and Urinary Tract -- Structural Abnormalities of the kidney and Ureter -- Neonatal Tumors involving the Urinary Tract -- Cystic Kidney Disease -- Congenital Nephrotic Syndrome -- Acute Kidney Injury -- Renal Replacement Therapy in the Neonate -- Neonatal Hypertension -- Electrolyte Abnormalities in the Newborn.