1. The Non-Use of Contraception among Italian University Students: A Calculated Risk? • Annalisa Busetta , University of Palermo; Alessandra De Rose , Sapienza University of Rome; Daniele Vignoli , University of Florence.

2. Assisted reproduction from the perspective of cross-border reproductive care • Jirina Kocourkova , Charles University In Prague; Adéla Volejníková, Charles University; Anna Štastná , Charles University, Prague.

3. Projecting the Contribution of Assisted Reproductive Technology to Completed Cohort Fertility • Ester Lazzari , Wittgenstein Centre for Demography and Global Human Capital.

4. Higher Perceived Infertility and Less Help Seeking Behavior among Immigrants in Germany • Nadja Milewski , Federal Institute for Population Research (BiB), Germany; Jasmin Passet-Wittig , Federal Institute for Population Research, Germany; Martin Bujard , Federal Institute for Population Research (BiB).

5. Peaks in Twin Births? An International Comparison of Trends in Twinning Rates in 30 Developed Countries • Gilles Pison , Muséum National D'histoire Naturelle; Catalina Torres , Muséum National D'histoire Naturelle; Christiaan W. S. Monden, University of Oxford; Jeroen Smits , Radboud Universiteit Nijmegen.