Childbirth has been a potentially high-risk event for women throughout human evolutionary history.1 Nevertheless, maternal morbidity and mortality associated with childbirth has generally fallen over the last century worldwide,2,3 with the most marked improvements observed in high-income countries. However, even in well-resourced settings, childbirth is still associated with increased risks of severe maternal morbidity, such as cardiac and cerebrovascular accidents, kidney and liver failure, delivery complications, uterine rupture, postpartum hemorrhage, preeclampsia/HELLP (hemolysis, elevated liver enzymes, and low platelet count) syndrome, and severe mental health disorders.4