We have had pregnant agents qualifying for years on my job (they can choose to qualify or not). I am not aware of even one who has chosen to qualify while pregnant and later expressed a concern after the pregnancy that her child had been adversely effected by range noise, lead exposure at the range, shock from recoil, and so forth.
As for all of you who are worried about lead exposure, I have to wonder: How many of you have shot at the range while your wives have been pregnant? How many of you have reloaded during the same time? How many of you have handled firearms and ammunition while the wife was pregnant? How many cleaned weapons while the wife was pregnant? The fetus can be exposed to lead, powder residues, cleaning chemicals, and lots of other crud coming off of you, or your clothing and getting onto the wife.
I shot regularly while my wife was pregnant. My son never had any lead issues. He is graduating from High School tomorrow and starting college in the Fall. I hugged my wife many times after arriving home from a day at the range while a range officer while she was pregnant. He is okay. Now wait a minute - now that I think of it maybe that is why he....oh forget it, that was the mercury from the broken thermometer that the docs said was the cause
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Nowadays though, the range officers preach to make sure to clean up well, and I mean such as in leaving shoes worn at the range outside your door when you enter after being at the range, cleaning as soon or very soon after arriving home in a separate wash load, and so on.
As I said though, I have never heard of an LEO female (or of one's fetus) on my job having lead exposure problems, or sound or shock issues, because of shooting while preggers. I suppose it could happen though.
All the best,
GB