1. Short title This Act may be cited as the Advancing Maternal Health Equity Under Medicaid Act . 2. Higher FMAP for increased expenditures under medicaid for maternal health services Section 1903 of the Social Security Act ( 42 U.S.C. 1396b ) is amended— (1) in subsection (a)(5)— (A) by striking an amount equal and inserting (A) an amount equal ; and (B) by adding at the end the following: and (B) for calendar quarters beginning on or after January 1 of the year beginning after one year after the date of the enactment of this subparagraph, an amount equal to 90 percent of the amounts by which— (i) the sum of the amounts expended which are attributable to the offering, arranging, and furnishing (directly or on a contract basis) under the State plan (or waiver of the plan) of maternal health care services (as described in subsection (b)(6)(B)) for such quarter, exceeds (ii) the sum of the amounts expended which are attributable to the offering, arranging, and furnishing (directly or on a contract basis) under the State plan (or waiver of the plan) of such services for the corresponding quarter in the four-quarter period ending on December 31, 2019, plus