; and (2) by adding at the end the following: (ee) Increased FMAP for additional expenditures for low-Income pregnant women For calendar quarters beginning on or after January 1, 2020, notwithstanding subsection (b), the Federal medical assistance percentage for a State, with respect to the additional amounts expended by such State for medical assistance under the State plan under this title or a waiver of such plan that are attributable to requirements imposed by the amendments made by the Maximizing Outcomes for Moms through Medicaid Improvement and Enhancement of Services Act (as determined by the Secretary), shall be equal to 100 percent. . (e) GAO study and report (1) In general Not later than 1 year after the date of the enactment of this Act, the Comptroller General of the United States shall submit to Congress a report on the gaps in coverage for— (A) pregnant women under the Medicaid program under title XIX of the Social Security Act ( 42 U.S.C. 1396 et seq.) and the Children's Health Insurance Program under title XXI of the Social Security Act ( 42 U.S.C. 1397aa et seq.)