Objective We reviewed the literature on the association between pre-pregnancy
multimorbidity (co-occurrence of two or more chronic conditions) and adverse maternal …

Background: Prior studies comparing first-trimester pharmaceutical induced abortion (IA)
with procedural IA were prone to selection bias, were underpowered to assess serious …

Importance The impact of nonmedical cannabis legalization on traffic injuries and cannabis
involvement in traffic injuries is unclear. Objective To examine changes in the number and …

Objectives Pain and bleeding complicate 30% of pregnancies, raising concerns for viability.
The objective is to evaluate the diagnostic characteristics of a single serum progesterone …

The high number of non-urgent visits to the emergency departments of obstetrics and
gynecology (EDOG) is receiving increasing attention from researchers and public health …

Background: Cannabis use during pregnancy is increasing, but the contribution of cannabis
legalization to these trends is unclear. We sought to determine whether health service …

Importance Emergency department (ED) use in pregnancy is common and occurs for a
variety of reasons, including obstetrical complications, exacerbated underlying conditions …

Importance Maternal emergency department (ED) use before or during pregnancy is
associated with worse obstetrical outcomes, for reasons including preexisting medical …

Background Patients experiencing early pregnancy loss often first present to the emergency
department (ED) where they can be managed non-operatively through expectant or medical …

Importance Emergency department (ED) use postpartum is a common and often-
preventable event. Unlike traditional obstetrics models, the Ontario midwifery model offers …