Why do young people use or not use condoms at first sexual intercourse? A qualitative study in Mexico City • Cicely A. Marston, Imperial College

The influence of social connectedness and monitoring on adolescent sexual activity in Ghana • Akwasi Kumi-Kyereme, University of Cape Coast ; Kofi Awusabo, University of Cape Coast ; Ann E. Biddlecom, The Alan Guttmacher Institute

Understanding teenage pregnancy decision making and family formation process: a Czech Republic qualitative study • Renata Vašková, Charles University, Prague

Adolescents’ self identities and sexual debut • Monica A. Longmore, Bowling Green State University ; Wendy D. Manning, Bowling Green State University ; Peggy C. Giordano, Bowling Green State University

Gender differences in the factors influencing consistent condom use among young people in Tanzania • Stella Babalola, Johns Hopkins University