Calculate abdominal circumference for gestational age centiles and z-scores

Usage

calculate_ac_gestage(gestage = NULL, ac = NULL)

Arguments

gestage: Gestational age. Gestational age can be provided as a string with a format of weeks+days or as numeric of exact weeks in decimal format
ac: Abdominal circumference in millimetres

Value

A list of 2 elements containing 1) abdominal circumference- for-gestational age z-score; and, 2) abdominal circumference- for-gestational age centile.

Examples

calculate_ac_gestage(gestage = "78+0", ac = 55)
#> [[1]]
#> [1] -1.314183
#> 
#> [[2]]
#> [1] 0.09439226
#>