Supposedly this is a sign on a OB office door.

This is illegal search and seizure. There is absolutely no research validating birth defects to marijuana. This is not Fetal Alcohol Syndrome. Cigarette smoking was never linked to 'in utero' fetal development.

This is a scare tactic that will stop women from seeking prenatal health care and in that reality the fetus will be put in danger it would not face otherwise.