Journal Article Invited Commentary: Caffeine and Birth Outcomes Get access Patricia H. Shiono, Patricia H. Shiono 1Center for the Future of Children, The David and Lucile Packard FoundationLos Altos, CA Reprint requests to Dr. Patricia Shiono, Director of Research and Grants, Epidemiology, Center for the Future of Children, The David and Lucile Packard Foundation, 300 Second Street, Suite 102, Los Altos, CA 94022. Search for other works by this author on: Oxford Academic PubMed Google Scholar Mark A. Klebanoff Mark A. Klebanoff 2Division of Epidemiology, Statistics, and Prevention Research, National Institute of Child Health and Human Development, National Institutes of HealthBethesda, MD Search for other works by this author on: Oxford Academic PubMed Google Scholar American Journal of Epidemiology, Volume 137, Issue 9, 1 May 1993, Pages 951–954, https://doi.org/10.1093/oxfordjournals.aje.a116765 Published: 01 May 1993 Article history Received: 31 August 1992 Revision received: 31 August 1992 Published: 01 May 1993