Television and adolescent sexual and reproductive health: results from a randomized experiment in Vietnam • Rukmalie Jayakody, Pennsylvania State University

Transition to sexual activity in adolescents. The importance of dynamics in family structure • Tamara Villalba Morente, Consejo Superior de Investigaciones Científicas (CSIC)

Is 'sexual competence' at first heterosexual intercourse associated with subsequent sexual health? • Melissa J. Palmer, London School of Hygiene and Tropical Medicine (LSHTM) ; Lynda Clarke, London School of Hygiene and Tropical Medicine (LSHTM) ; Kaye Wellings, London School of Hygiene and Tropical Medicine (LSHTM)

Early transitions to first sexual intercourse, marriage and childbearing among young-adult women in Kenya: is education delaying its entry? • Sonia Chager, Universitat Autònoma de Barcelona