section, and transmit to Congress a report on the results of the study, not later than 24 months after the date of enactment of this Act. X Impact to save moms 1001. Perinatal Care Alternative Payment Model Demonstration Project (a) In general For the period of fiscal years 2024 through 2028, the Secretary of Health and Human Services (referred to in this section as the Secretary ), acting through the Administrator of the Centers for Medicare & Medicaid Services, shall establish and implement, in accordance with the requirements of this section, a demonstration project, to be known as the Perinatal Care Alternative Payment Model Demonstration Project (referred to in this section as the Demonstration Project ), for purposes of allowing States to test payment models under their State plans under title XIX of the Social Security Act ( 42 U.S.C. 1396 et seq. ) and State child health plans under title XXI of such Act ( 42 U.S.C. 1397aa et seq. ) with respect to maternity care provided to pregnant and postpartum individuals enrolled in such State plans and State child health plans. (b) Coordination In establishing the Demonstration Project, the Secretary shall coordinate with stakeholders such as— (1) State Medicaid programs