Definitely get into the doctor ASAP, I work with pregnant women at my old rehab clinic, and though opiates are addictive to the fetus
, and can be dangerous in
large quantities, they will not cause birth defects, etc. Xanax and other benzos are much less safe to take while pregnant, but are also dangerous to come off of cold turkey, so please get into a dr. ASAP! The doctors will understand, so like mary said, don't be afraid to tell them everything.