developmental age


The age of a fetus from conception to any point in time prior to birth.fetal age
An index of development stated as the age in years of an individual and determined by specified standardized measurements such as motor and mental tests and body measurements.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.