If you experience headaches or blurred vision notify your physician. Milk, fruit juice, and water are appropriate fluids. Caffeine Coffee, tea, and sodas such as cola, Surge, and Mountain Dew contain caffeine. Non-gourmet coffee contains approximately 135 mg caffeine while an 8 oz Starbucks contains 250 mgs. The exact effects of caffeine on pregnancy are unknown.
Some studies show few if any effects.
Because the effects of caffeine on pregnancy are not yet clear, pregnant women should limit caffeine to less than 250-300 mg per day. Keep in mind, the typical coffee mug holds 8 oz or more of coffee. Contrary to popular belief, cocoa is not high in caffeine. Herbal teas are good substitutes when used with caution. Large amounts of herbal teas can cause various reactions.