[Influence of the month of birth on the demand for healthcare to treat attention deficit hyperactivity disorder. Results of a retrospective study conducted in a neuropaediatric clinic].

Introduction: There is an increase in the child neurology attention and, specially in attention deficit hyperactivity disorder (ADHD). It's been proposed that the birth date affects the diagnosis of ADHD, so the youngest children more susceptible of being diagnosed.

Aims: To analyse if there is a relationship between the birth date and the suspicion of ADHD, and to investigate the health demand of child neurology and its evolution regarding diagnostic categories.