1. Methodological Advances in Survey-Based Abortion Measurement: Promising Findings From Nigeria, India, and Cote d’Ivoire • Suzanne Bell , Johns Hopkins Bloomberg School of Public Health; Mridula Shankar, Johns Hopkins Bloomberg School of Public Health; Elizabeth F. Omoluabi, Centre for Research Evaluation Resources and Development (CRERD); Anoop Khanna, Indian Institute of Health Management (IIHMR); M. Dore Desire Emmanual, Institut National de la Statistique, Côte d'Ivoire; Funmilola OlaOlorun, University of Ibadan; Danish Ahmed, Indian Institute of Health Management (IIHMR); Caroline Moreau, Institut National de la Santé et de la Recherche Médicale (INSERM).

2. Using Respondent Driven Sampling to Estimate Lifetime Prevalence of Informal Sector Abortion Among Women of Reproductive Age in Soweto, South Africa • Caitlin Gerdts , Ibis Reproductive Health; Ruvani Jayaweera; Isabel Munoz, University of California, San Francisco; Relebohile Motana, Ibis Reproductive Health; Tshego Bessenaar, Ibis Reproductive Health; Paul Wesson, University of California, San Francisco.

3. Estimating Abortion Incidence Using the Network Scale-up Method • Elizabeth A. Sully , Guttmacher Institute; Margaret Giorgio, Guttmacher Institute; Selena Anjur-Dietrich, Guttmacher Institute.

4. Indirect Estimation of Induced Abortion and Its Determinants in Sub-Saharan Africa • Heini E. Vaisanen , University of Southampton; Jason Hilton, University of Southampton.