Which statement is not correct about fetal alcohol syndrome (FAS).
Prevalence in US: 0.2 – 1.4 per 1,000 live births
FAS is the 2nd leading identifiable cause of mental retardation in USA
The incidence of mental retardation due to FAS is greater than that of mental retardation due to Down Syndrome
FAS is more common in lower socioeconomic classes.
