This article looks at the transition from utilization of midwives to a highly medicalized way of birthing. Additionally, it speaks to midwifery in our current society. This is a well rounded resources by Parkland Medical Center on midwifery throughout history.

http://www.neonatology.org/pdf/midwifery.history.pdf

This article examines the correlation between APRN's and PA"s and their workplace scopes. It discovered that in states with the highest shortage of Primary Care Physicians, APRN's and PA had a widened scope of practice. The shortages of physicians dramatically increased the abilities and scopes to which these APRN's and PA's could function in a clinical setting.

http://www.nejm.org/doi/pdf/10.1056/NEJM199411103311905