COMMENTARY To What End? Clarifying the Purpose and Value of Birth Cohorts First published: 10 January 2025 No abstract is available for this article. Conflicts of Interest The author declares no conflicts of interest. References 1M. Heckmann, F. Bruer, H. Allenberg, et al., “The Survey of Neonates in Pomerania: Design, Recruitment, and Follow-Up of the Second Cohort 2013-2017,” Paediatric and Perinatal Epidemiology (2025): 13160. 2K. J. Rothman, J. E. Gallacher, and E. E.