INTERGROWTH-21st very preterm size at birth reference charts

Affiliations

• ¹ Nuffield Department of Obstetrics & Gynaecology, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK; Oxford Maternal & Perinatal Health Institute, Green Templeton College, University of Oxford, Oxford, UK.
• ² Dipartimento di Scienze Pediatriche e dell'Adolescenza, Cattedra di Neonatologia, Università degli Studi di Torino, Torino, Italy.
• ³ Department of Community Health Sciences, Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada.
• ⁴ Nuffield Department of Obstetrics & Gynaecology, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK; Oxford Maternal & Perinatal Health Institute, Green Templeton College, University of Oxford, Oxford, UK; Centre for Statistics in Medicine, Botnar Research Centre, University of Oxford, Oxford, UK.
• ⁵ Nuffield Department of Obstetrics & Gynaecology, University of Oxford, John Radcliffe Hospital, Oxford OX3 9DU, UK; Oxford Maternal & Perinatal Health Institute, Green Templeton College, University of Oxford, Oxford, UK. Electronic address: stephen.kennedy@obs-gyn.ox.ac.uk.