Below are two overview articles on postpartum depression. The first examines postpartum depression from a psychoneuroimmunology prospective.
Kendall-Tackett, K. A. (2007). A new paradigm for depression in new mothers: The central role of inflammation and how breastfeeding and anti-inflammatory treatments protect maternal mental health. International Breastfeeding Journal, 2:6 [click here].
The second is a curriculum that provides an overview of depression, including assessment scales.
New Hampshire Breastfeeding Task Force. A breastfeeding-friendly approach to depression in new mothers. 2009 Edition [click here].