The detrimental effects of alcohol on offspring have been alluded to for ce
nturies, although only in the past few decades has the relationship between
alcohol and birth defects been shown conclusively. This review article beg
ins with a historical overview of the understanding of alcohol's effects on
the offspring, followed by a description of the first clinical reports of
fetal alcohol syndrome. The contribution of animal models is highlighted an
d some possible mechanisms of alcohol's teratogenicity are discussed. Chall
enges and opportunities for future research are offered.