actually there is some kind of preterm infants growth chart such as intrauterine, postnatal, crass sectional, longitudinal, standard and reference growth chart for preterm infants.but which of them is better for growth monitoring in preterm infants ?
To say the truth - we do not know. Theoretically the intrauterine curve is ideal but we all know it is impossible since the initial weight loss after birth is different from intrauterine curve. Practically we are shooting for 10-15 gm/kg/d weight gain once the premie regains the birth weight. But, we really do not know what kind of weight change will lead to better long term outcome.
See at:
International standards forVillar J, Cheikh Ismail L, Victora CG, Ohuma EO, Bertino E, Altman DG, Lambert A, Papageorghiou AT, Carvalho M, Jaffer YA, Gravett MG, Purwar M, Frederick IO, Noble AJ, Pang R, Barros FC, Chumlea C, Bhutta ZA, Kennedy SH;
International Fetal and Newborn Growth Consortium for the 21st Century (INTERGROWTH-21st). newborn weight, length, and head circumference by gestational age and sex: the Newborn Cross-Sectional Study of the INTERGROWTH-21st Project.
Lancet. 2014 Sep 6;384(9946):857-68. doi: 10.1016/S0140-6736(14)60932-6.
I would like to thanks for your answers but as you know, there is some problem for use of intrauterine growth curves.Why do not we use from reference of longitudinal growth charts? I consider, reference of longitudinal growth charts do not have the limitations of intrauterine growth curves.
as you say:Theoretically the intrauterine growth curves are considered ideal for growth monitoring of preterm infants but i think , longitudinal growth curves are more appropriate if we want to follow growth of infants during the time and cross sectional growth curves is more useful if we have decide to investigate of growth just for one time
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