1. Policy statement: Planned home birth;American Academy of Pediatrics;Pediatrics,2013
2. Standards for birth centers;American Association of Birth Centers,2013
3. American Association of Birth Centers. (n.d.a) Birth center accreditation. Perkiomenville, PA: Author. Retrieved from http://www.birthcenters.org/?page=Standards
4. American Association of Birth Centers. (n.d.b). What is a birth center? Perkiomenville, PA: Author. Retrieved from http://www.birthcenters.org/?page=bce_what_is_a_bc
5. Position statement: Home birth;American College of Nurse-Midwives,2011