BackgroundAir pollution is both a sensory blight and a threat to human health. Inhaled environmental pollutants can be naturally occurring or human-made, and include traffic-related air pollution (TRAP), ozone, particulate matter (PM) and v…
STUDY QUESTION: Does sexual intercourse enhance the cycle fecundability in women without known subfertility? SUMMARY ANSWER: Sexual intercourse (regardless of timing during the cycle) was associated with cycle characteristics suggesting hi…
BackgroundThere is variability between women for days of menstrual bleeding, cycle lengths, follicular phase lengths, and luteal phase lengths, related to age and parity.ObjectiveTo describe total cycle length; anovulatory cycles; follicula…
BackgroundExposure to non-persistent chemicals in consumer products is ubiquitous and associated with endocrine-disrupting effects. These effects have been linked to infertility and adverse pregnancy outcomes in some studies and could affec…
ObjectiveTo evaluate the relationship between epigenetic patterns in sperm and fecundity.DesignProspective study.SettingAcademic andrology and in vitro fertilization laboratory.Patient(s)Twenty-seven semen samples from couples who conceived…
BackgroundTo examine transient environmental exposures and their relationship with human fecundity, exposure assessment should occur optimally at the time of conception in both members of the couple. We performed an observational, prospecti…
BackgroundMany women throughout the world have history of subfertility (resolved or unresolved), but much remains unknown about services and treatments chosen.MethodsWe developed a mixed-mode fertility experiences questionnaire (FEQ) in 200…
ObjectiveTo assess the effects of both male and female body mass index (BMI), individually and combined, on IVF outcomes.DesignProspective cohort study.SettingUniversity fertility center.Patient(s)All couples undergoing first fresh IVF cycl…
BackgroundCaffeinated beverages are widely consumed among women of reproductive age, but their association with reproductive hormones, and whether race modifies any such associations, is not well understood.ObjectiveWe assessed the relation…