The problem with such studies is that pharmaceutical companies spin them and focus solely on antidepressant medication treatment. The main focus of the study should be that effective treatment of the mother’s depression leads to improved parenting, which leads to happier kids. Also, the depressed mothers should be offered the range of non-medication solutions, which includes psychotherapy, psychoeducation, self-help, support groups, exercise, meditation, and natural supplements.
http://alert.psychnews.org/2015/05/treating-depressed-mothers-with.html