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Centile Calculator

Our Centile Calculators produce customised birthweight centiles using the principles of the GROW (Gestation Related Optimal Weight) method. Through inputting maternal height
and weight, ethnicity, parity, fetal weight, sex and gestation, the applications return a customized birthweight centile. See References and Related Literature for further information.

The calculators are continually being updated, according to availability of new databases from different populations from which additional ethnic coefficients can be derived.
The latest versions of both applications contain 134 Ethnic/Country of Origin and Regional coefficients.

The software is provided for free and comes in two versions:

  • Individual centile calculator (ICC) - for day to day clinical practice, to calculate birthweight or estimated fetal weight centiles one at the time. Available as a new Global version and one specifically for the UK.
  • Bulk centile calculator (BCC) - an on-line spreadsheet which allows import of large databases to derive multiple centiles for audit or research.

To receive either application, please complete the on-line request form, providing

  1. Name, affiliation, and a brief note about the intended use - clinical, audit, or research (specify area).
  2. Type of calculator required (individual or bulk).

 

Disclaimer
GROW software makes calculations on the basis of published principles and formulae, and is released only after rigorous testing for quality assurance.
However Gestation Network or the Perinatal Institute cannot accept responsibility for clinical diagnoses or decisions made on the basis of the software. For more information, see our terms and conditions of use.

 

 
© Gestation Network 2020