On the laundry list of mom-to-be and new-mom taboos, postpartum depression (PPD) has earned itself a spot on the very top. Despite being relatively common, postpartum depression is widely misunderstood. It affects as many as 10 to 20 percent of new mothers and briefly impacts approximately 70 to 80 percent in the form of the “baby blues,” a less severe and short-lasting condition.