fa مقایسه رشد اا The growth and developmental status of 252 children with low birth weight (<2500 gr) born from 1988 to 1989 as cases were compared with 312 children with normal birth weight (>2500 gr) at the fifth birthday. The results of comparing these two groups of children show that: 1) In relation to weight for age of survivors, with increasing of age, weight gaining is higher in the control group in comparison with the case group (P=0.00). 2) In relation to height for age the study revealed, that this indicator differs in two groups but the difference is not significant. 3) In regard to Gomez classification: The percentages of all grades of malnutrition (mild, moderate, severe) is grater in the case group than controls. 4) By considering the developmental criteria (skipping, drawing triangle from copy, naming 5 colors, repeating sentences of 10 syllables, counting of 10 coins correctly and respectively): The study showed that developmental indicator of the case group differs from controls. The test statistic "t" showed, there is a significant difference between two variables (P=0.005). 5) By using the Riven test for evaluation of IQ, our findings characterized that, the IQ mean of the LBW and NBW are not truely different. 73 78 http://tumj.tums.ac.ir/browse.php?a_code=A-10-25-5058&slc_lang=fa&sid=1 H Eftekhar حسن افتخار Yes A Batebi عزیزاله باطبی No F Azadegan فیروز آزادگان No F Alianfini فاطمه علیان فینی No N Sarhaddi نسرین سرحدی No