Objective To determine the associations of smoking and alcohol and coffee consumption
with pregnancy loss. Design Mendelian randomization study. Setting The UK Biobank study …

Objective To investigate the association between smoking and infertility. Design Prospective
study. Setting Nationwide cohort. Patients 28,606 women and 27,096 men with …

Background Coffee consumption has been associated with several adverse pregnancy
outcomes, although data from randomized–controlled trials are lacking. We investigate …

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 …

Objective: A number of epidemiological studies have demonstrated that smoking initiation
and alcohol and coffee consumption were closely related to women's reproductive health …

STUDY QUESTION Is caffeine and caffeinated beverage consumption associated with the
risk of spontaneous abortion (SAB)? SUMMARY ANSWER While preconceptional caffeine …

In order to analyse the association between drinking coffee in pregnancy and risk of
spontaneous abortion, a case-controlled study was conducted in Milan, Northern Italy …

Background. Cigarette smoking has been considered a risk factor for spontaneous abortion,
but conclusions from many studies may be impaired by methodological problems. Studies …

We analysed the relationship between coffee and alcohol intake, smoking and risk of
multiple pregnancies using data from a case-control study on risk factors for multiple births …

Background Some epidemiologic studies have suggested that the ingestion of caffeine
increases the risk of spontaneous abortion, but the results have been inconsistent. Methods …