Certain states have laws that make it a felony to smoke pot while you are pregnant.  The theory under which the party is prosecuted is a felony drug delivery charge, as obviously the drug ingested by the Mother travels via the placenta to the child. This happened in Texas not long ago where twins tested positive at birth for drugs and the result was a charge and conviction of delivery of a controlled substance to a minor which is a second-degree felony in Texas punishable by two to 20 years in prison.  I think that you should consult with an attorney in your area and I hope that you are getting good pre-natal care.