Amends 42 U.S.C. 1396a(l)(2)(A) by (1) inserting a new subclause (III) in clause (ii) referencing January 1, 2027 as the percentage provided under new clause (v), and (2) adding a new clause (v) that sets a minimum percentage for the clause (ii) percentage for medical assistance provided on or after January 1, 2027, based on specified State plan amendments or State law/appropriations as of January 1, 2025.

Amends section 1902 of the Social Security Act to (1) require State plans to be in compliance with subsection (e)(16) by adding a new paragraph (90) in subsection (a), and (2) change subsection (e)(16) from an optional State election into a mandatory requirement (make subparagraph (A) mandatory, modify subparagraph (B) wording to apply under a State plan or waiver, and strike subparagraph (C)).

Revises 2107(e)(1)(K) to require that the provisions of section 1902(e) paragraphs (5) and (16) apply such that provision of assistance under the State child health plan or waiver for targeted low-income children or targeted low-income pregnant women during pregnancy and the 12-month postpartum period is required and must include coverage of all items or services provided under the State child health plan or waiver.

Amends 2112(d)(2)(A) by striking specified trailing language (conforming change).

Adds subsection (j) to 5 U.S.C. 8905 to deem services by an officer or employee under chapter 89 relating to enrolling individuals in a health benefits plan, or changing enrollment due to an event described in section 5(a)(1) of the Healthy MOM Act, to be services for emergencies involving the safety of human life or the protection of property for purposes of 31 U.S.C. 1342.

Adds a new subsection (d) to require group health plans that provide dependent coverage to include maternity care associated with pregnancy, childbirth, and postpartum care (including labor and delivery) for all participants and beneficiaries, including dependents, and to provide such coverage to all pregnant dependents regardless of age.

Amends 42 U.S.C. 18031(c)(6) by (1) striking the word 'and' at the end of subparagraph (C), (2) redesignating existing subparagraph (D) as subparagraph (E), and (3) inserting a new subparagraph (D) establishing a special enrollment period for pregnant individuals beginning on the date the pregnancy is reported to the Exchange.

Adds a new subsection (f) to 26 U.S.C. 9801 establishing a special enrollment period for pregnant individuals under group health plans, permitting enrollment upon pregnancy reported to the plan or confirmed by a health care provider, and directing the Secretary to promulgate regulations including enrollment timeframes and effective dates of coverage.