The literature on the relationship between diet and human fertility has greatly expanded over
the last decade, resulting in the identification of a few clear patterns. Intake of supplemental …

Background Considerable interest has been gathered on the relevant impact of preventable
factors, including incorrect lifestyle and unhealthy habits, on female fertility. Smoking …

OBJECTIVE: To investigate the effect of cigarette smoking on main sperm variables.
DESIGN: Cohort study. SETTING: Men attending the andrology laboratory in the context of …

BACKGROUND Reproductive failure is a significant public health concern. Although
relatively little is known about factors affecting fertility and early pregnancy loss, a growing …

Background: Clinical infertility is a prevalent problem with significant financial and
psychosocial costs. Modifiable lifestyle factors exist that may affect a person's time to …

Objective To examine the extent to which women planning a pregnancy comply with
recommendations for nutrition and lifestyle. Design Prospective cohort study. Setting …

Abstract Information bias occurs when any information used in a study is either measured or
recorded inaccurately. This paper describes some of the most common types of information …

The effects of adult lifestyle—primarily smoking and diet in women, and sedentary habits
generally—are important factors affecting the fertility of men and women, and can also …

Alcohol use is prevalent in the United States. Given that a substantial portion of the drinking
population is of reproductive age, it is not uncommon for couples who are attempting …

To what extent could alcohol consumption affects female fertility is still unclear. The aim of
this study was to quantitatively summarize the dose-response relation between total and …