منابع مشابه
Early Detection of Fetal Abnormality
After introduction of high-frequency vaginal transducer, transvaginal two-dimensional ultrasound has established a field of sonoembryology and most of the major fetal abnormalities have been detectable in the first trimester. Three-dimensional ultrasound adds an objective and comprehensive information to two-dimensional sonographic findings.
متن کاملFetal Abnormality Survey
From 1 January 1985 to 31 December 1990, the Northern Region Fetal Abnormality Survey received 736 notifications of fetuses with suspected urological abnormalities; a prevalence of three per 1000 births. There was a male:female ratio of 2:1, the ratio was higher in obstructive than in intrinsic renal parenchymal lesions. Overall diagnostic sensitivity was 68-9% and positive predictive value 50....
متن کاملDetection of abnormality of fetal urinary tract as a predictor of renal tract disease.
Over three years all infants in this hospital found to have an abnormality of the urinary tract on antenatal scanning were followed up after delivery with contrast radiography. Disease of the renal tract was confirmed in 17 of 20 infants. Of the 15 survivors, 12 underwent surgery in the first year of life. Abnormality of the fetal urinary tract detected by ultrasound scanning seems to be an imp...
متن کاملPotential application of fetal epigenetic markers on the non-invasive prenatal detection of chromosomal abnormality.
Identification of fetal chromosomal aneuploidy is a predominant reason for pregnant women to undergo prenatal testing, most of which are invasive and carry a risk for fetal loss. The presence of fetal DNA in maternal circulation has offered an opportunity for non-invasive prenatal detection [1]. However, this fetal DNA exists only as a minor fraction among the co-existing background of maternal...
متن کاملAbnormality Detection in a Landing Operation Using Hidden Markov Model
The air transport industry is seeking to manage risks in air travels. Its main objective is to detect abnormal behaviors in various flight conditions. The current methods have some limitations and are based on studying the risks and measuring the effective parameters. These parameters do not remove the dependency of a flight process on the time and human decisions. In this paper, we used an HMM...
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ژورنال
عنوان ژورنال: Donald School Journal of Ultrasound in Obstetrics and Gynecology
سال: 2013
ISSN: 0973-614X,0975-1912
DOI: 10.5005/jp-journals-10009-1269