Arteriovenous malformation. Arteriovenous malformation (AVM) is an abnormal connection between arteries and veins, bypassing the capillary system. This vascular anomaly is widely known because of its occurrence in the central nervous system (usually cerebral AVM), but can appear in any location.
Since fetal alcohol syndrome covers a wide range of problems, there are many possible symptoms. The severity of these symptoms ranges from mild to severe, and can include: 1  a small head.  a smooth ridge between the upper lip and nose, small and wide-set eyes, a very thin upper lip, or other abnormal facial features.
Fetal alcohol syndrome is one of the leading causes of mental retardation in the US. FAS is an irreversible, lifelong condition that affects every aspect of a child's life and the lives of the child's family.However, FAS is 100% preventable -- if a woman does not drink alcohol while she is pregnant.etal alcohol syndrome (FAS) always involves brain damage, impaired growth, and head and face abnormalities. No amount of alcohol has been proven safe during pregnancy. Women who are or may become pregnant are therefore strongly advised to avoid alcohol.