Legal and School Problems 4. Whatever is developing most rapidly is usually the most damaged. 1 st half of pregnancy, deep brain structures like brainstem and thalamus are at risk. 2 nd half of pregnancy, the cortex, cerebellum and hippocampus are at risk. Chronic Alcohol Consumption is not necessary.
Damage relates to the peak blood alcohol levels reached.
This cause of MR is, in theory, completely preventable.