The homeopathic side can say one thing (not harmful) about this and the medical side another and as always when pregnant you should ask your doctor about all medicines you add during pregnancy and...
You have to look at it this way : Would you let your newborn baby smoke a joint? Whatever you ingest, your unborn child is ingesting. Smoking can damage the development of your baby's brain, heart,...
I have a cat that has been with us through my two pregnancies. It was fine for me and others I know. The concern with cats is toxoplasmosis, which can be transmitted to humans by handling cat feces...