 [ Symptoms ] i am 20 weeks pregnant and was using boric acid to kill roaches it was in contact with my hands did i hurt may baby  i was using the boric acid powder to make the bait for the roaches hence my hands were exposed to the powder i did not inhale or swallowed the boric acid i washed my hands with vinegar after using the powder could boric acid get to my blood stream did i hurt my baby by doing that is external use of boric acid harmful to the baby [ Disease ] hi i found this doing some research on it for you its from webmd is site <link> but if you google boric acid safe why pregnant you will find lots of mixed answer for and against do hope this helps good luck