For the Postpartum Depression and Maternal Mental Health Oral History Project. Karen Kleiman is a clinical social worker and maternal mental health therapist. She founded the Postpartum Stress Center in Pennsylvania in 1988. Kleiman has written and co-written several books on motherhood, postpartum health, and therapy. These include: This Isn’t What I Expected (1994), The Postpartum Husband (2000), What Was I Thinking? (2005), and Dropping the Baby and Other Scary Thoughts (2011).