Introduction -- Epidemiology, Trends, and Public Policy -- Voices of Lived Experience -- Stigma and its Consequences for Adolescent Mothers and their Babies -- The Intersection of Adolescent Development, Pregnancy, and Parenthood -- Young Fathers -- Infant Development and Stigma -- Interventions Supporting and Empowering Pregnant and Parenting Adolescents -- Mental Health in Pregnant and Parenting Teens -- Substance Use -- Implications for Public Policy toward Teen Pregnancy and Parenting -- Conclusion.