SPRINGFIELD — The U.S. Department of Health and Human Services has launched an investigation to determine whether Illinois has violated federal law by enacting and enforcing the 2019 Reproductive Health Act which, among other things, requires certain health insurance plans to cover abortion services.In a letter dated Jan. 19, which was the last full day of the Trump administration, HHS’s Office of Civil Rights notified the Chicago-based Thomas More Society that it had received a complaint the group filed in October 2019 …