Rigorous studies carried out by the National Center for Health Statistics show that previously
reported increases in maternal mortality rates in the United States were an artifact of …

Objective Because the diagnosis of postpartum hemorrhage (PPH) depends on the
accoucheur's subjective estimate of blood loss and varies according to mode of delivery, we …

The term confounding by indication is increasingly used in the literature, although the concept
has lost much of its original meaning. The literature includes instances where confounding …

OBJECTIVE: To quantify the contribution of placenta accreta to the rate of postpartum
hemorrhage and severe postpartum hemorrhage. METHODS: All hospital deliveries in Canada (…

Objective Collaborative, interdisciplinary care models have the potential to improve maternity
care. Differing attitudes of maternity care providers may impede this process. We sought to …

Objective To examine whether changes in postpartum haemorrhage, hypertensive disorders
of pregnancy, or other risk factors explain the increase in obstetric acute renal failure in …

Objective Increases in postpartum hemorrhage have been reported from several countries.
We assessed temporal trends in postpartum hemorrhage and severe postpartum …

Background Postpartum hemorrhage, a major cause of maternal death and severe maternal
morbidity, increased in frequency in Canada between 1991 and 2004. We carried out a …

OBJECTIVE: To identify the factors underlying the recent increase in maternal mortality ratios
(maternal deaths per 100,000 live births) in the United States. METHODS: We carried out a …

Importance Seasonal influenza vaccination in pregnancy can reduce influenza illness
among pregnant women and newborns. Evidence is limited on whether seasonal influenza …