1. Social Norms and Premarital Use of Family Planning among Adolescents and Young People in Uganda • Justine Bukenya, Makerere University; Melissa Stillman, mstillman@guttmacher.org; Tonny Ssekamatte, Makerere University, School of Public Health; Robinah Komuhendo, Makerere University; Rose Stevens, Oxford University; Ann M. Moore, Guttmacher Institute.

2. A Nonlinear Fertility Catastrophe Model Based on Thom's Differential Equations of Morphogenesis • Rolando Gonzales Martinez, University Of Groningen.

3. The Short-Term Impact of Covid-19 on Fertility and Use of Contraceptive Methods in East Zimbabwe • Simon Gregson, Imperial College London; Rebekah Morris, Imperial College London School of Public Health; Rufurwokuda Maswera, Biomedical Research and Training Institute; Louisa Moorhouse, Imperial College London; Sophie Bagnay, Imperial College London School of Public Health; Constance Nyamukapa, Imperial College London.

4. Assessing the Effects of Households' Slow and Rapid Onset Disaster-Related Displacement on Quality Antenatal and Delivery Care Service Utilization in Rural Bangladesh • Md Rabiul Haque, Department of Population Sciences, University of Dhaka; M Shahidul Islam, Chief, Population Planning and Research, UNFPA Bangladesh; Md Mashiur Rahman, Information Management Officer, UNFPA Bangladesh.

5. Sexual and Reproductive Health of in-Transit Migrant Women in Mexico: A Closer Look at the Role of Migrant Shelters • Silvana Larrea Schiavon, University of California, Berkeley; Sylvia Guendelman, University of California, Berkeley; Jay Graham, University of California, Berkeley; César Infante, National Institute of Public Health.