Differences in Birth Weight for Gestational Age Distributions According to the Measures Used to Assign Gestational Age
نویسندگان
چکیده
منابع مشابه
Differences in birth weight for gestational age distributions according to the measures used to assign gestational age.
Population-based standards for infant size for gestational age depend on accurate assessments of birth weight and gestational age; the accuracy of the latter measure has been questioned. The authors sought to explore how different methods of assigning gestational age in vital records data affect distributions of birth weight for gestational age. The 2005 US natality file was used to create 4 me...
متن کاملPrediction of Gestational Age According to Fetal Femur Length
SUMMARY Determination of gestational age have several usages in obstetrics and gynecology. The relation between fetal femur length and gestational age has determined in this research using real time sonography. 1000 iranian pregnant women between 12-40 weeks of gestation with accuratic last menstrual period and with out the history of diabetes lllellitus, hypertension, renal disease and fetal ...
متن کاملPrediction of Gestational Age According to Biparietal Diameter
SUMMARY Determination of gestational age have several usages in obstetrics and gynecology. The relation between Biparietal Diameter and gestational age has determined in this research using real time Sonography. 904 Iranian pregnant women between 12-40 weeks of gestation with accuratic last menstrual period and without the history of diabetes mellitus, hypertension, renal disease and Fetal an...
متن کاملImplausible birth weight for gestational age.
Various rules have been proposed to identify and exclude live births with implausible values of birth weight for gestational age from large perinatal data sets. The authors carried out a preliminary evaluation of common rules by examining the frequency and nature of rule-based exclusions among live births in Canada (excluding Ontario) between 1992 and 1994. There were 625 (0.09%), 133 (0.02%), ...
متن کامل[A national birth weight distribution curve according to gestational age in Chile from 1993 to 2000].
BACKGROUND The World Health Organization recently defined the criteria for constructing birth weight curves using population based data. AIM To construct a national curve of weight, size and ponderal index at birth for Chile, following the criteria suggested by the World Health Organization (WHO) expert committee report from 1995. MATERIAL AND METHODS A national database from the Chilean Is...
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ژورنال
عنوان ژورنال: American Journal of Epidemiology
سال: 2010
ISSN: 0002-9262,1476-6256
DOI: 10.1093/aje/kwp468