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Global standards and z scores for birth weight at birth, with information related to their use. Online calculators will be available shortly.
Download the Birth Weight Standards (Boys) here
Download the Birth Weight Standards (Girls) here
Download the Birth Weight Z Scores (Boys) here
Download Birth Weight Z Scores (Girls) here
Access the online calculator and downloadable applications for MAC and Windows here
Villar et al (2014) International standards for newborn weight, length, and head circumference by gestational age and sex: the Newborn Cross-Sectional Study of the INTERGROWTH-21st Project. Lancet 2014: 384: 857-68.