STUDY QUESTION To what extent is cigarette smoking associated with reduced
fecundability? SUMMARY ANSWER Current female smokers, particularly those who had …

Objective: To examine the effects of alcohol and caffeine on conception. Design: Prospective
observational study. Setting: Healthy volunteers in two manufacturing facilities. Patient (s) …

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 …

This prospective‐cohort study aimed at investigating the influence of paternal lifestyle factors
on semen parameters and intracytoplasmic sperm injection (ICSI) outcomes. The influence …

Background Low testosterone concentrations affect 2–13% of adult males, with a direct
association between reduction in testosterone (T) concentrations and cardiovascular events …

Much of the literature on the impact of male caffeine and alcohol intake on reproductive
outcomes has utilized semen quality as a proxy for male fertility, although semen parameters …

Although alcohol has been consumed by humans for centuries, its effect on reproductive
function is still not fully understood. Numerous studies have examined the effects of alcohol …

The association between last 5days of alcohol intake, semen quality and reproductive
hormones was estimated in this cross-sectional study among 347 men. Conventional semen …

The objective of this study was to assess the association between alcohol drinking before
and during pregnancy and the risk of spontaneous abortion using data from a case-control …

Aim: This study compared semen quality, FSH, LH, and Testosterone levels in infertile males
among smokers and non-smokers and semen quality among alcoholics and non alcoholics …