; and (B) in subsection (b), by adding at the end the following: (4) Competitive research and demonstration grants to develop evidence-based approaches to support foster youth in successful parenting For any fiscal year for which the amount made available to carry out this section exceeds $60,000,000, the Secretary shall reserve the lesser of 50 percent of such excess or $50,000,000 for grants under section 439A. ; and (2) by adding at the end the following: 439A. Competitive research and demonstration grants to develop evidence-based approaches to support foster youth in successful parenting (a) In general The Secretary shall make grants to States to identify and implement approaches to support foster youth in successful parenting that are age-appropriate, medically accurate, trauma-informed, culturally relevant, gender-responsive, and evidence-informed, and that focus on either or both of the following: (1) Developing strategies that focus on preventing unintended pregnancies among foster youth. (2) Promoting the well-being of foster youth who are expectant or parenting (including as a noncustodial parent), and their children. (b) Program qualifications In making grants under this section, the Secretary shall— (1) provide support for— (A) approaches that help identify, develop, replicate, and evaluate evidence-informed approaches to preventing unintended pregnancies among foster youth and promoting the well-being of foster youth who are expectant or parenting (including as a noncustodial parent), and their children, including ways to improve training for foster parents, child welfare staff, and other foster care facility caregivers and staff