More benefits of continuous support for women during childbirth

The primary role of a doula during birth is to provide continuous support. It just amazes me the benefits that have been found by just having that continuous support in which the care taker does not leave moms side. I've posted this before, but it's just worth posting again. The Cochrane review did a great study which discovered these wonderful benefits of the continous support, it can be found here: http://childbirthconnection.org/pdfs/continuous_support.pdf