Validation of the Polish Version of the Washington 4-Digit Diagnostic Code for the Assessment of Fetal Alcohol Spectrum Disorders.

Objectives: The aim of this paper is a quantitative assessment of FASD facial phenotype in the Polish population using the Polish version of the 4-Digit Diagnostic Code.

Methods: The study covered 2 groups of children: 30 children aged 4-7 and 30 children aged 8-11 with a facial phenotype characteristic for the Fetal Alcohol Syndrome (FAS). The control group consisted of 60 children (4-11 years old) developing normally.