caffeine is legal and prevalent in foods such as chocolate and drinks such as coffee and sodas. but experts claim it's still a drug and should be limited. caffeine has been a controversial subject in fda guidelines. in the early 1980s the fda released a study that stated caffeine use had toxic results in studies of rats. however this warning has since been loosened a bit. pregnant women who need caffeine should regulate their intake. it can cause low birth weight and irritability if taken in large quantities.
why is caffeine considered a "drug" during pregnancy?