pharm ch 3 pregnancy safety categories

studies indicate no risk to the human fetus

studies indicate no risk to the animal fetus; info for humans not available.

adverse effects reported in the animal fetus; info for humans not available

possible fetal risk in humans has been reported; however, in selected cases considerations of the potential benefit vs risk may warrant use of these drugs in pregnant women.

fetal abnormalities have been reported, and positive evidence of fetal risk in humans is available from animal and/or human studies.  these drugs are not to be used in pregnant women