2008
Prenatal Caffeine Assessment: Fetal and Maternal Biomarkers or Self-Reported Intake?
Grosso LM, Triche E, Benowitz NL, Bracken MB. Prenatal Caffeine Assessment: Fetal and Maternal Biomarkers or Self-Reported Intake? Annals Of Epidemiology 2008, 18: 172-178. PMID: 18083538, PMCID: PMC2275917, DOI: 10.1016/j.annepidem.2007.11.005.Peer-Reviewed Original ResearchConceptsMaternal urineCaffeine exposureUmbilical cord blood samplesCord blood biomarkersCord blood concentrationsInfants of smokersMaternal self reportsMaternal caffeine intakeCord blood samplesSelf-reported intakeUmbilical cord bloodMaternal biomarkersPregnant womenBlood biomarkersCord bloodObstetric practiceBlood concentrationsCaffeine intakeParaxanthine levelsBlood samplesPregnancySmokersCaffeine metabolismIntakeBiomarkers
2006
Caffeine Metabolites in Umbilical Cord Blood, Cytochrome P-450 1A2 Activity, and Intrauterine Growth Restriction
Grosso LM, Triche EW, Belanger K, Benowitz NL, Holford TR, Bracken MB. Caffeine Metabolites in Umbilical Cord Blood, Cytochrome P-450 1A2 Activity, and Intrauterine Growth Restriction. American Journal Of Epidemiology 2006, 163: 1035-1041. PMID: 16641310, DOI: 10.1093/aje/kwj125.Peer-Reviewed Original ResearchConceptsIntrauterine growth restrictionRisk of IUGRUmbilical cord bloodGrowth restrictionCord bloodCaffeine consumptionRatio of paraxanthineCytochrome PSelf-reported caffeine consumptionPreterm deliveryFetal exposureHighest quartileAdjusted analysisPregnant womenFetal growthObstetric practiceCYP1A2 activityParaxanthine levelsReproductive outcomesAdjusted modelAssociation of caffeineCaffeine metabolitesStandard deviation changeConflicting resultsQuartile