Background The influence of marijuana use on human fertility has not been well studied. We
evaluated the association between female and male use of marijuana and fecundability in …

There is increasing evidence that exposure to environmental toxins during key stages of
development can disrupt the human reproductive system. Such effects have proven difficult …

In studies of subfertility using data on time to pregnancy (the number of noncontracepting
menstrual cycles required to conceive), many pregnancies are not included in analyses …

The adverse effects of maternal cigarette smoking on pregnancy have been well
documented and include shortening the length of gestation and fetal growth retardation. 1-3 …

A multiple logistic regression analysis of 12, 914 pregnancies and 10, 523 live births, based
on a mail survey of professional women In medicine, was carried out to determine the …

There is increasing concern over whether environmental exposures early in life may impact
health in adulthood. Recent evidence suggests that prenatal or childhood exposure to …

This study identified and compared the prevalence of tobacco, alcohol and illicit drug use in
a large sample of low-image pregnant women, stratified by maternal age and race/ethnicity …

There have been many attempts during the last years to restrict smoking because of the
significant health hazards. In particular the high prevalence of smoking among women in …

OBJECTIVE: This study was undertaken to examine whether marijuana use affects in vitro
fertilization and gamete intrafallopian transfer (IVF/GIFT). STUDY DESIGN: Prospective …

We summarize the epidemiologic literature on the effect of life-style factors such as cigarette
smoking, alcohol and caffeine consumption, physical exercise, body mass index, and drug …