Maternal health is a known crisis in the U.S., where pregnant women and new mothers die at a rate several times higher than in comparable countries. In recent years, increased awareness of the problem has led to interventions at the federal and state level and a strengthening of surveillance and data collection. Even as sizable improvements continue to be elusive, the picture of how many new mothers are dying, and why, is becoming clearer. A research letter published on Monday in JAMA Pediatric...