Iowa doctors are assessing how a new medication is working for moms with postpartum depression. That’s timely right now, as more babies are born in the fall than any other time of year. Researchers say roughly one in five new moms faces symptoms of postpartum depression – and of those, 20-percent experience symptoms so dire they report considering suicide or self harm. University of Iowa epidemiologist Nichole Nidey says postpartum depression is a problem statewide, but can be especially serious in rural Iowa, where access to mental health care can be limited…