Book excerpt: The second edition of this atlas has been fully updated to give students and practitioners a detailed guide on paediatric and adolescent gynaecology. Beginning with an introduction to the “normal” female patient, examining techniques and sonography, the following chapters discuss different obstetric and gynaecological conditions that may occur in childhood and adolescence. Nearly 450 colour images and illustrations, including 2D and 3D ultrasound pictures, help present actual cases.