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Adv Biomed Res. 2019 Feb 21;8:12. doi: 10.4103/abr.abr_84_18. eCollection 2019.

The Prevalence of Complications of Prematurity among 1000 Newborns in Isfahan, Iran.

Author information

Department of Pediatrics, Division of Neonatology, Child Growth and Development Research Center, Isfahan University of Medical Sciences, Isfahan, Iran.
Department of Pediatrics, Isfahan University of Medical Sciences, Isfahan, Iran.
Department of Psychology, Almahdi Mehr Higher Education Institute, Isfahan, Iran.
Department of Epidemiology and Biostatistics, Health School, Isfahan University of Medical Sciences, Isfahan, Iran.



Different morbidity conditions are globally reported from different nations for premature infants. The aim of this study was to identify the relative frequency of some of the most important complications of prematurity in a population of about 1000 of very low birth weight (VLBW; i.e., infants with weight of <1500 g) premature infants in our city and publish the results of the project at the level of the urban community of Isfahan in order to use it for further decisions.

Materials and Methods:

Demographic characteristics and information of prematurity complications of 1000-registered VLBW premature infants were collected and analyzed.


The mean gestational age and birth weight were 30.19 ± 2.26 weeks and 1223.96 ± 227.77 g, respectively. Seven hundred and ninety-eight individuals (79.69%) had respiratory distress syndrome (RDS) which also had the most prevalence frequency, whereas the number of newborns who had chronic lung disease was 80, with the lowest prevalence of 8.01%. The prevalence of infantile mortality was 3.10%.


Regarding advances in medical technologies and caring system, the mortality rate for premature neonates, even VLBW infants, has decreased significantly and survival rates are grown. Alongside the low death rates, managing complications related to prematurity period should be considered more, especially caring for respiratory management should be considered remarkably since RDS stands as the most prevalent disease among them. Efforts also should be made to reduce the number of diseases that worsen the prognosis, such as intraventricular hemorrhage.


Frequency; infants; prematurity; very low birth weight

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