Many strains have a hyaluronic acid capsule that is antiphagocytic. Group B Streptococci (Streptococcus agalactiae) are bacitracin resistant. Group D include Enterococci (Streptococcus faecalis) and Non-enterococci (Streptococcus bovis).
The first warning refers to the risk of fetal alcohol syndrome (FAS), the leading known cause of mental retardation in the United States. The good news is that this condition is 100 percent preventable as long as a woman does not drink alcohol while she is pregnant.
It is the most common form of inherited mental retardation. Fragile X syndrome is caused by a mutation in the FMR-1 gene, located on the X chromosome. The role of the gene is unclear, but it is probably important in early development.