1. Measuring dynamic contraceptive use: The quality and consistency of DHS calendar data • Sarah E. K. Bradley, Abt Associates; Dana Sarnak, Johns Hopkins Bloomberg School of Public Health; Eve Brecker, Population Reference Bureau (PRB); Kaitlyn Patierno, Population Reference Bureau.

2. The Human Multiple Births Database (HMBD), an international, open access database on twin and other multiple births • Catalina Torres, Muséum National D'histoire Naturelle; Arianna Caporali, Institut National d'Études Démographiques (INED); Gilles Pison, Muséum National D'histoire Naturelle.

3. Evaluating responses on fertility intention and uncertainty: the case of open-ended questions • Xiao Xu, Netherlands Interdisciplinary Demographic Institute (NIDI); Anne H. Gauthier, Netherlands Interdisciplinary Demographic Institute (NIDI); Gert Stulp, University of Groningen; Antal van den Bosch, Meertens Institute.