1. Withdrawal
2. Low birth weight, small size, small HC.
3. Prem births.
1. These last 2 features probably related to vasoactive effects on placenta.
4. Not thought to be majorly teratogenic
1. Developmental cognitive Issues and Delay.
2. Some behaviourl issues.
3. MRI changes are subtle:
1. Smaller brain volume especially in:
1. Cortical grey Matter
2. Thalamus
3. Putamen
2. In adolescents: Smaller volume pre-frontal cortex & smaller thalami.