Willis MD

ObjectiveNeighborhood disadvantage is associated with adverse reproductive health outcomes, but its association with menstrual disturbances is understudied. Our objective was to estimate the association between neighborhood socioeconomic di…

Racialized economic segregation is a known determinant of health disparities that has been associated with adverse pregnancy outcomes. However, no study has investigated its association with fecundability, the per-cycle probability of conce…

BACKGROUND: Oil and gas development-a highly prevalent industry in North America-is often located near residential communities. This industry produces a complex mixture of pollutants that may impact human health. Despite well-documented ass…

STUDY QUESTION: To what extent do self-reported sleep duration and non-daytime work schedules in either partner affect the rate of spontaneous abortion (SAB)? SUMMARY ANSWER: Incidence of SAB had little association with female sleep durati…

BACKGROUND: Metals may influence reproductive health, but few studies have investigated correlates of metal body burden among reproductive-aged women outside of pregnancy. Furthermore, while there is evidence of racial disparities in exposu…