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Research suggests that moderate caffeine consumption (less than 200 milligrams per day) does not cause miscarriage or preterm birth. That’s the amount in one 12-ounce cup of coffee. Remember that caffeine also is found in tea, chocolate, energy drinks, and soft drinks.

Caffeine can interfere with sleep and contribute to nausea and light-headedness. Caffeine also can increase urination and lead to dehydration.

See Nutrition During Pregnancy for more on what to eat and drink while pregnant.

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Published: October 2020

Last reviewed: October 2020

Copyright 2021 by the American College of Obstetricians and Gynecologists. All rights reserved. Read copyright and permissions information.

This information is designed as an educational aid for the public. It offers current information and opinions related to women's health. It is not intended as a statement of the standard of care. It does not explain all of the proper treatments or methods of care. It is not a substitute for the advice of a physician. Read ACOG’s complete disclaimer.