[An analysis of the first international classifications of mental health and developmental disorders of infancy and early childhood].

The content of the first international classifications of mental health and developmental disorders of infancy and early childhood (DC:0-3 and DC:0-3R) is described. Both classifications are made as multiaxial systems and include the following axes of pschopathological diagnosis, abnormal relations, concomitant somatoneurological disturbances and developmental disorders as well as axes of psychosocial stressors and emotional and social functioning. Short descriptions of each axis with the focus at the axis of clinical disorders (DC:0-3R) are shown. This axis consists of 7 diagnostic items: 1) posttraumatic stress disorder and deprivation/maltreatment disorder); 2) disorders of affect, 3) adjustment disorders; 4) regulatory disorders of sensory processing; 5) sleep behavior disorders; 6) feeding behavior disorders; 7) disorders of relating and communication. Clinical parallels with the diagnosis of psychopathology of early age accepted by Russian specialists are analyzed.