What medications do cause ventriculomegaly during pregnancy?

Haven't heard of it: Ventriculomegaly (enlargement of the brain's ventricles in a fetus, as seen on prenatal ultrasound scans) can be caused by genetic mutations, other birth defects without identifiable genetic mutations, infections like CMV or rubella, other damage in the brain to cause blockage of fluid (CSF) flow, plus unknown causes in many cases. Haven't heard of medications causing it.

Pregnacy: I am not aware of any medications that specifically cause ventriculomegaly during a pregancy. The most common cause for this is a bleed into ventricles usually do to prematurity.