This book is a synopsis (an overview of summaries and individual studies) of the evidence on the determinants related to low birth weight births and the effectiveness of strategies and interventions to prevent them. [...] The final chapter provides a useful reference guide to the contents of the book in the form of tabulated summaries of the evidence and conclusions. [...] Determinants and Prevention of Low Birth Weight: A Synopsis of the Evidence III n Acknowledgements The Institute of Health Economics would like to acknowledge the Alberta Perinatal Health Program for their financial contribution to the publication costs of this book. [...] The rates of IUGR and LBW births are probably underestimates of the global situation because in the developing world a significant proportion of infants are born at home and not registered as live births.13 The incidence of preterm birth is increasing. [...] In chapter 6 the effects of maternal medical conditions, pregnancy-associated conditions, and history of induced abortion 4 Determinants and Prevention of Low Birth Weight: A Synopsis of the Evidence are reviewed.