As individuals with FASD enter adulthood, both them and their family members and caregivers face additional challenges. Adults are increasingly vulnerable to the secondary disabilities associated with FASD such as trouble with the law, mental health problems, an inability to . Dec 17, · Fetal Alcohol Syndrome (FAS): This is the most severe end of the spectrum and can result in the death of a fetus during pregnancy. In adults, FAS can result in congenital disabilities, growth problems, behavioral problems, and learning disabilities. HOW FETAL ALCOHOL SYNDROME .