(June 20, 2017, 11:03 AM EDT) -- DES MOINES, Iowa — Health insurance provider Medica Holding Co. announced June 19 that it will remain in Iowa’s Patient Protection and Affordable Care Act (ACA) exchanges, a move that will help the state avoid becoming the first without an ACA insurer in the majority of its counties, but comes tied to a request for a 43.5 percent premium increase....