Retraction notice ================= Fazilleau L, Parienti JJ, Bellot A, Guillois B. NIDCAP in preterm infants and the neurodevelopmental effect in the first 2 years. *Arch Dis Child Fetal Neonatal Ed* Published Online First: 31 October 2013 doi:10.1136/archdischild-2012-303508. This paper has been retracted because it contained errors in the data extraction and analyses that affect the results, figures and tables. Data from a study that had been published in two different journal articles were included twice in the analyses. There was an error in the description of the measures used for neurodevelopmental testing in the reporting of the results.