Thing is, doc may not know. I can't tell you how many times in my life he didn't know. Probably just not worth the risk. I didn't even think about the leadYes I have 3 pistols and 3 rifles she recently purchased a 43x and wanted to shoot.when she asked me the question I said I really don’t know.have never seen it discussed on a forum.i told her I would ask her docter.i don’t know if a unborn baby can hear anything on the outside.