… effect of male smoking on fecundability (fecundability ratio = 0.88, 95 percent Cl 0.81-0.95).
Paternal smoking … , four studies have found no effect of male smoking on fecundability (5, 9-11…

… caffeine intake by both partners either originating from tea, coffee, or cola did not have an
adverse effect on fecundability. … than 7 cups of coffee per day was fecundability reduced. This is …

… in this study in which smoking women with a coffee intake equivalent to three cups or more
… of fecundability. In two cross-sectional studies 9, 10, 23, caffeine intake had little or no effect …

… NAT2 polymorphisms as effect modifiers of exposures that affect fecundability or fertility. This
study investigated the effects of caffeine, alcohol, and smoking on fecundability using daily …

… To impute missing values for the time dependent variables (intercourse frequency, alcohol
and caffeine consumption), we used multiple imputation and last observation carried forward; …

… significant dose relationship between alcohol consumed and … reduced fertility at lower
levels of caffeine consumption than … of assessment of caffeine and alcohol exposure in future …

… cigarette smoking, caffeine intake and alcohol consumption have an adverse effect on
fecundability… This holds true even for relatively high doses of caffeine or cigarette smoke with the …

… female and male preconception caffeine intake and fecundability in a North American …
association between fecundability and intake of caffeinated and decaffeinated coffee; black, …

… evaluate the effect of caffeine on fertility. As a result, the measures for caffeine intake were
relatively … of their caffeine intake from this time on, would have allowed for determination of any …

… conception with a female partner, smoking, physical activity, height and weight, consumption
of sugar-sweetened beverages, intake of multivitamins and caffeine and history of disease (…