Top 9 Foods and Beverages to Avoid When Pregnant
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There are conflicting studies about how caffeine affects a fetus during pregnancy. One study published by the American Journal of Obstetrics and Gynecology found that pregnant women who consumed 200 milligrams (about one 12-ounce cup) or more of caffeine a day were twice as likely to have a miscarriage than those who did not. A separate study published by Epidemiology found no increased risk in women who drank 200-350 milligrams (one to two 12-ounce cups) a day.
According to the FDA, most experts agree that small amounts of caffeine during pregnancy are ok. It is recommended you speak to your doctor before consuming any, and to limit yourself to no more than 200 milligrams (about one 12-ounce cup) a day.