According to the American College of Obstetricians and Gynecologists, consuming less than 200 milligrams of caffeine per day (about one to two cups of coffee) is not a major contributor to miscarriage or premature birth.

However according to a new study in the diary BMJ Evidence-Based Medicine, there is no safe amount of caffeine to consume during pregnancy. Complications resulting from caffeine consumption can include an increased risk of miscarriage, stillbirth, and low birth weight.

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