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The Effect Of Caffeine On Fecundability : Differences In Coffee, Tea, And Cola Consumption., Emily Kathleen Steinmetz

Electronic Theses and Dissertations

This study examined whether intake of caffeinated beverages (coffee, tea, and cola) was associated with fecundability (time to pregnancy) in a prospective cohort study. Data from 470 women from the Mount Sinai Study of Women Office Workers (1990-1994) were analyzed. Intake of coffee, tea, cola, and other variables were recorded in daily diaries and calculated as menstrual cycle level means for up to 20 cycles. Pregnancy was assayed using hCG and confirmed by physician diagnosis. The associations of caffeinated beverages with the probability of becoming pregnant during a given cycle were determined using discrete survival analysis, adjusted for potential confounders. …