1. Balancing fidelity and flexibility: implementing the Gen.M program in Texas : final report Author(s): Shapiro, Rachel, M.P.P., author Publication: Rockville, MD : Office of Adolescent Health, Department of Health & Human Services, August 15, 2013 Subject(s): Pregnancy in Adolescence -- prevention & controlSex EducationGender IdentityStereotypingProgram EvaluationAdolescentTexasGender Matters Program.