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.
Alcohol has a huge effect on fetal development. A range of problems, called fetal alcohol spectrum disorders (FASD), can occur. FASD symptoms, which include physical abnormalities, learning difficulties, and emotional problems, can last a lifetime. For women, the risk of breast cancer rises with alcohol use.