Justice for Incarcerated Moms Act This bill directs specified activities to address maternal health outcomes among incarcerated individuals. Specifically, the bill reduces certain federal funding for criminal justice activities to states without laws restricting the use of restraints on pregnant women who are incarcerated: establishes programs in federal Bureau of Prisons facilities, and a grant program to be administered by the Bureau of Justice Assistance for state and local correctional facilities, to improve maternal health outcomes; and requires reports from the Government Accountability Office and the Medicaid and CHIP Payment and Access Commission on specified topics related to pregnant and postpartum women who are incarcerated.