Identify one factor, besides other than smoking and drinking alcohol that may negatively affect a developing embryo ? answer this !

Eating seafood can be dangerous for a pregnant woman and her unborn child. This is due to dangerous levels of Mercury in food coming from the ocean. If the seafood is not cooked thoroughly, it can cause illness.

Source: http://americanpregnancy.org/is-it-safe/eating-shrimp-pregnancy/

not always but somethings can be reproduced in a laboratory.