Maternal Caffeine Intake and Fetal Growth Restriction
Author Information
Author(s): Justin C Konje, Janet E Cade
Primary Institution: University of Leicester
Hypothesis
What is the association between maternal caffeine intake during pregnancy and the risk of fetal growth restriction?
Conclusion
Caffeine consumption during pregnancy is linked to an increased risk of fetal growth restriction.
Supporting Evidence
- Caffeine consumption throughout pregnancy was associated with an increased risk of fetal growth restriction.
- Mean caffeine intake during pregnancy was 159 mg/day.
- Women with faster caffeine clearance had a stronger association with fetal growth restriction.
Takeaway
Drinking too much caffeine while pregnant can make babies smaller. It's better to drink less caffeine before and during pregnancy.
Methodology
A prospective longitudinal observational study measuring caffeine intake and fetal growth outcomes in pregnant women.
Potential Biases
Potential for self-reported data inaccuracies regarding caffeine, smoking, and alcohol consumption.
Limitations
Only 20% of invited women participated, which may affect generalizability.
Participant Demographics
Low risk pregnant women aged 18-45 years from two UK maternity units.
Statistical Information
P-Value
P<0.001
Confidence Interval
95% CI 0.9 to 1.6 for 100-199 mg/day; 1.5 (1.1 to 2.1) for 200-299 mg/day; 1.4 (1.0 to 2.0) for >300 mg/day.
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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