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Related Experiment Videos

Coffee consumption, birthweight, and reproductive failures.

J Olsen1, K Overvad, G Frische

  • 1Institute of Social Medicine, University of Aarhus, Denmark.

Epidemiology (Cambridge, Mass.)
|September 1, 1991
PubMed
Summary

Maternal coffee consumption of four or more cups daily was linked to lower birthweight, particularly in smokers. However, coffee intake showed minimal association with preterm births or congenital malformations.

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Area of Science:

  • Obstetrics and Gynecology
  • Perinatal Epidemiology
  • Public Health Nutrition

Background:

  • Maternal dietary habits during pregnancy can significantly influence fetal development and birth outcomes.
  • Understanding the impact of common beverages like coffee on pregnancy is crucial for prenatal care guidelines.

Purpose of the Study:

  • To investigate the association between maternal coffee consumption and key pregnancy outcomes.
  • Specifically examining effects on birthweight, incidence of preterm births, and occurrence of congenital malformations.

Main Methods:

  • Prospective cohort study involving 11,858 pregnant women in Denmark (1985-1987).
  • Data collected via mailed questionnaires on dietary habits and pregnancy outcomes from medical records.

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Main Results:

  • High coffee consumption (≥4 cups/day) was associated with a moderate reduction in birthweight, especially pronounced in women who also smoked.
  • The study found very weak associations between coffee consumption and preterm births or congenital malformations.

Conclusions:

  • High maternal coffee intake may lead to lower birthweight, with a synergistic effect observed in smokers.
  • Coffee consumption appears to have a negligible impact on the risk of preterm birth and congenital malformations.