1. Births: final data for 2016;Martin;Natl Vital Stat Rep,2018
2. Births: final data for 2017;Martin;Natl Vital Stat Rep,2018
3. Recent trends in cesarean delivery in the United States;Menacker;NCHS Data Brief,2010
4. Indications contributing to the increasing cesarean delivery rate;Barber;Obstet Gynecol,2011
5. Postpartum maternal mortality and cesarean delivery;Deneux-Tharaux;Obstet Gynecol,2006