A few studies indicate that exposure to maternal smoking during fetal life decreases semen
quality in adult life, but the results are inconsistent and retrospectively collected smoking …

BACKGROUND: Recent findings have indicated that prenatal exposure to tobacco smoke
may cause lower sperm concentration in ejaculates of adult men. To extend the research on …

Between 1996 and 1999, the authors invited all young men from five European countries
who were undergoing compulsory medical examination for possible military service to …

Background. There has been an apparent decline in sperm density during the last 5
decades in Denmark, a country in which women have among the highest rates of smoking in …

STUDY QUESTION How are temporal trends in lifestyle factors, including exposure to
maternal smoking in utero, associated to semen quality in young men from the general …

Background Maternal smoking during pregnancy has been reported to negatively impact
sperm counts of the sons. Sufficient data on the effect of paternal smoking is lacking …

Because of the large number of men worldwide who smoke and the fact that cigarette smoke
contains known mutagens and carcinogens, there has been concern that smoking may have …

BACKGROUND Exposure to tobacco smoking prenatally is a risk factor for reduced semen
quality, but whether the exposure has adverse effects on reproductive hormones, pubertal …

BACKGROUND: Previous studies suggest a deleterious effect of cigarette smoking on
semen quality, but their results have not been consistent. We studied the association …

PIP: In order to further investigate the findings of earlier studies the authors conducted a
study of semen quality in 437 consecutively seen male partners of infertile couples and …