1. Levels of maternal care: Obstetric Care Consensus No, 9;Obstet Gynecol,2019
2. National Academies of Sciences, Engineering, and Medicine; Health and Medicine Division; Division of Behavioral and Social Sciences and Education; Board on Children, Youth, and Families; Committee on Assessing Health Outcomes by Birth Settings. Birth settings in America: outcomes, quality, access, and choice. Backes EP, Scrimshaw SC, editors. Washington (DC): National Academies Press (US); 2020.
3. Committee Opinion No. 697: planned home birth;Obstet Gynecol,2017
4. Early and total neonatal mortality in relation to birth setting in the United States, 2006-2009;Grünebaum;Am J Obstet Gynecol,2014
5. Planned out-of-hospital birth and birth outcomes;Snowden;N Engl J Med,2015