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Caffeine during pregnancy? In moderation.

G Koren1

  • 1Hospital for Sick Children, Toronto.

Canadian Family Physician Medecin De Famille Canadien
|May 3, 2000
PubMed
Summary
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Pregnant women can safely consume moderate caffeine (coffee) intake. Risks for miscarriage and fetal growth issues only increase with high daily doses exceeding 150 mg, about six cups of coffee.

Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Health
  • Pharmacology

Background:

  • Many pregnant women and those planning pregnancy express significant anxiety regarding caffeine consumption.
  • This fear can negatively impact well-being during pregnancy.

Purpose of the Study:

  • To scientifically evaluate the risks associated with caffeine intake during pregnancy.
  • To address patient concerns about caffeine and its effects on pregnancy outcomes.

Main Methods:

  • A comprehensive meta-analysis of existing research was conducted by Motherisk.
  • The analysis synthesized data to assess the relationship between caffeine dosage and pregnancy complications.

Main Results:

  • An increased risk of miscarriage and fetal growth retardation was observed only at daily caffeine intakes exceeding 150 mg.

Related Experiment Videos

  • This threshold is equivalent to approximately six standard cups of coffee per day.
  • Potential confounding factors, such as cigarette smoking, may contribute to perceived risks.

    • Conclusions:

    • Moderate caffeine consumption during pregnancy, below 150 mg/d, is not scientifically linked to increased risks of miscarriage or fetal growth retardation.
    • The findings suggest that current patient anxieties may be disproportionate to the actual scientific evidence for moderate intake.