Background The negative impact of maternal smoking during pregnancy on offspring semen
quality is well established. Less is known about the impact of paternal smoking. Methods We …

STUDY QUESTION Are use of e-cigarettes and snuff associated with testicular function as
previously shown for conventional cigarettes and marijuana? SUMMARY ANSWER Use of e …

Background: Research on alcohol consumption during pregnancy and miscarriage spans
over three decades, yet the relationship is still not well-understood. Objectives: To assess …

Background: Although epidemiological data indicate that White women are more likely to
drink and binge drink before pregnancy, fetal alcohol syndrome (FAS) is more common in …

STUDY QUESTION Is cannabis use assessed via urinary metabolites and self-report during
preconception associated with fecundability, live birth and pregnancy loss? SUMMARY …

We explored whether maternal alcohol intake in early pregnancy is associated with pubertal
timing in sons and daughters. In total, 15,819 children, born 2000–2003 within the Danish …

Background: Many epidemiologic studies have evaluated the association between caffeine
and fertility, with inconsistent results. Some studies suggest that various caffeine-containing …

BACKGROUND: Consumption of caffeine and alcohol is suspected to affect pregnancy
outcome. Use of both stimulants is widespread and even minor effects on fetal viability are of …

Background Half of women use alcohol in the first weeks of gestation, but most stop once
pregnancy is detected. The relationship between timing of alcohol use cessation in early …

Introduction Worldwide infertility is highly prevalent, and lifestyle factors, such as food intake,
could have an essential role in the success of a fertility treatment. The literature is not …