PRB/NICHD fetal growth standard

To use the PRB/NICHD customized fetal weight chart accompanying the manuscript:
A new customized fetal weight standard for African American women: The PRB/NICHD Detroit study , by Adi L. Tarca, Roberto Romero, Dereje W. Gudicha, Offer Erez, Edgar Hernandez-Andrade, Gaurav Bhatti, Percy Pacora, Lami Yeo, Eli Maymon, Sonia S. Hassan.

you can use one of the two options:

  • Download the Microsoft Excel centile calculator from here: DetroitChart_V.1.0
  • Download the R package implementing a bulk centile calculator from here: PRBGrowthChart

To install, load and use the PRBGrowthChart package, use these commands:

>install.packages(“PRBGrowthChart_0.2.0.tar.gz”,repos = NULL, type = “source”)


For help on how to use the function type:


A typical R session is shown below: