Incidence of Neonatal Abstinence Syndrome (NAS) in Castilla y Leon (Spain).

Introduction: Neonatal Abstinence Syndrome (NAS) is considered a Public Health problem that is defined as a group of symptoms that appear in the newborn due to withdrawal from intrauterine drug exposure.

Objective: The aim of this study was to analyze the incidence of NAS in Castilla y León from 2000 to 2019.

Methodology: Data of NAS cases in Castilla y León from 2000 to 2019 were obtained.