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The resources highlighted here have recently updated please visit the following page for the latest updated versions: https://intergrowth21.tghn.org/very-preterm-size-birth/

The INTERGROWTH-21st global references and z scores for head circumference, length and weight at birth of very preterm newborns are available to download below.

A Windows application and an online browser based tool that enables birth weight, length and head circumference to be classified according to these international references has also been developed and is accessible here.

(These follow from the most recent INTERGROWTH-21st publication in The Lancet which can be accessed here.)

Download the Very Preterm Birth Head Circumference References (Boys) here

Download the Very Preterm Birth Head Circumference References (Girls) here

Download the Very Preterm Birth Head Circumference Z Scores (Boys) here

Download the Very Preterm Birth Head Circumference Z Scores (Girls) here

Download the Very Preterm Birth Length References (Boys) here

Download the Very Preterm Birth Length References (Girls) here

Download the Very Preterm Birth Length Z Scores (Boys) here

Download the Very Preterm Birth Length Z Scores (Girls) here

Download the Very Preterm Birth Weight References (Boys) here

Download the Very Preterm Birth Weight References (Girls) here

Download the Very Preterm Birth Weight Z Scores (Boys) here

Download the Very Preterm Birth Weight Z Scores (Girls) here

References

  1. Reference: Villar J, Giuliani F, Fenton TR, Ohuma EO, Cheikh Ismail L, Kennedy SH, for the INTERGROWTH-21st Consortium. INTERGROWTH-21st very preterm size at birth reference charts. Lancet  2016 doi.org/10.1016/S0140-6736(16) 00384-6. 

  • remanagpal Rema Nagpal 10 May 2017

    I am unable to find a single centile chart for all 3 anthropometric data from 24 to 64 weeks gestation for boys and girls. The combined chart it appears seems to be for 27 weeks to 64 weeks. Shall be grateful if sent.