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Unformatted text preview: during pregnancy. Today, it is more common for a doctor to recommend gaining between 25 and 30 pounds as opposed to 15-18 that was common just a few years ago. Environmental Factors such as RADIATION that can occur from jobs (X-ray technicians, flight attendants) and lead to low birth-weight, stillborns, birth defects, etc. This is not only for mothers - men exposed to radiation also may contribute to prenatal health problems like chromosomal alterations and mental retardation....
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- Spring '10