Abstract Data from the Ontano Farm Family Health Study were analyzed to determine
whether smoking, caffeine, or alcohol use among men and women affect fecundability (the …

Background. In a prospective study the effect of the behavioral risk factors of both partners
on fecundability was studied. Methods. Information was collected on smoking habits, alcohol …

The authors examined the effects of caffeine consumption on waiting time to conception in
the Reproductive Health Study, a retrospective study of 1,430 non-contracepting, parous …

A population-based survey of life-style factors and subfecundity (prolonged time to
pregnancy) was conducted between 1984 and 1987 in two cities in Denmark. Altogether …

To test the hypothesis that coffee consumption and cigarette smoking are associated with
time to conception, we analyzed data collected from 1,341 primigravidas participating in the …

Animal studies have suggested that fertility may be impaired by transplacental exposures,
but little is known about human prenatal exposures and subsequent adult reproduction. A …

This study demonstrated that cigarette smoking was associated with an increase in both time
to conception (among 2817 fertile women) and risk of primary infertility (among 1818 infertile …

Several studies have reported an association between caffeine intake and delay to
conception. To study this relation further, the authors examined caffeine use in 1,050 women …

Fecundability has been defined as the ability to achieve a recognized pregnancy. Several
studies on caffeine and fecundability have been conducted but have been inconclusive. This …

Abstract During 1992–1995, 430 Danish couples were recruited after a nationwide mailing
of a letter to 52, 255 trade union members who were 20–35 years old, lived with a partner …