Application that allows adjustment Weight / neonatal Eg depending on gestational age, correcting for 6 non-pathological variables (biological): Sex RN, parity, height, weight, age and maternal Ethnicity.

"For a heterogeneous population, the best parameter to delineate the RN PEG, is not necessarily a widespread local standard, but one that is adjusted to the individual characteristics and therefore transcends geographic boundaries."

Morgelli Gardosi M. J. Ultrasound; O & G 1995; 6: 340-344.