INTERGROWTH-21st

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The INTERGROWTH-21st Preterm Postnatal Growth Standards and Feeding Protocol, coordinated by the University of Oxford, are globally validated growth standards, feeding protocols, clinical tools and practical training materials created to improve preterm infant health outcomes globally.
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The International Fetal and Newborn Growth Consortium for the 21st Century (INTERGROWTH-21st) is a global, multidisciplinary network of more than 300 researchers and clinicians from 27 institutions in 18 countries, coordinated from the University of Oxford. The consortium has, over the years, produced various growth standard recommendations which have been adopted globally.

The globally validated preterm infant growth standards, feeding protocols and tools and practical training materials are freely available to clinicians, researchers and policymakers – putting them into practice can help improve the health of preterm infants worldwide.

To meet the need for international growth standards to measure and improve outcomes and clinical care for preterm infants, INTERGROWTH-21st embarked on a project – under the leadership of professors José Villar and Stephen Kennedy – to create new resources specific to preterm infants. The resulting standards, tools and training materials complement existing standards for pregnancy and newborn infants, with the aim of providing continuity from conception until five years of age.

Until now, in the INTERGROWTH-21st project, growth and feeding protocols for preterm infants had been missing. The measurement of preterm growth was based upon expected fetal growth whilst in utero. These new standards of care can support optimal growth of preterm infants and help clinicians and parents avoid overfeeding, reduce the risk of childhood overweight and obesity, and improve the early detection of infants with suboptimal growth. The INTERGROWTH-21st project also has the potential to alter World Health Organization policy in constructing and presenting preterm growth charts.

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We have the opportunity, as part of this ground-breaking project, to translate research results to practice; hence, improve the overall health, nutritional status and development of preterm infants globally.

--- JOSÉ VILLAR, MD, MPH, MSC, FRCOG, PROFESSOR OF PERINATAL MEDICINE, NUFFIELD DEPARTMENT OF WOMEN’S & REPRODUCTIVE HEALTH, UNIVERSITY OF OXFORD; CO-DIRECTOR, OXFORD MATERNAL & PERINATAL HEALTH INSTITUTE (OMPHI), GREEN TEMPLETON COLLEGE

The new, practical international tools for researchers, clinicians and policymakers include an online training module and practical support to aid their transition into practice. These standards, feeding protocols and clinical tools can make it easier to scale up adoption of the standards, and thus improve the health of preterm infants worldwide.

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Global adoption of these standards is a vital tool for promoting breastfeeding in neonatal units and infant clinics around the world so as to improve the survival and health of preterm infants.

--- STEPHEN KENNEDY, MA, MD, MRCOG, PROFESSOR OF REPRODUCTIVE MEDICINE; HEAD, NUFFIELD DEPARTMENT OF WOMEN’S & REPRODUCTIVE HEALTH, UNIVERSITY OF OXFORD; CO-DIRECTOR, OXFORD MATERNAL & PERINATAL HEALTH INSTITUTE (OMPHI), GREEN TEMPLETON COLLEGE.

The INTERGROWTH-21st project’s growth monitoring, educational, and feeding resources have been translated into several languages, including English, Spanish, Italian, Russian and Portuguese, and the training toolkit is expanding.

  • Over 160,000 tools had been downloaded in 195 countries
  • Over 17,000 preterm postnatal growth standards had been downloaded in 104 countries
  • Over 1,800 participants had taken and approved the preterm postnatal growth and feeding recommendations e-learning course available in English, Spanish, Russian, Italian and Portuguese.
  • A worldwide network of over 170 hospitals and health institutions is presently using the preterm postnatal growth standards and feeding recommendations
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