A "registered midwife" is a professional healthcare provider who is qualified and legally recognized to provide care and support to women in pregnancy, childbirth, and postpartum period. Full definition
They compared them to planned hospital births attended by registered midwives or physicians in which the mothers met the criteria for home birth. (sciencedaily.com)
Please note that this post is aimed at registered midwives ie. (midwifethinking.com)
Researchers with UBC's School of Population and Public Health and the Child and Family Research Institute looked at all planned home births attended by registered midwives in B.C. between 2001 and 2004. (sciencedaily.com)