Routine Examination by Ultrasound for the Detection of Fetal Malformations in a Low Risk Population
作者:
Vibeke Brocks,
Jens Bang,
期刊:
Fetal Diagnosis and Therapy
(Karger Available online 1991)
卷期:
Volume 6,
issue 1-2
页码: 37-45
ISSN:1015-3837
年代: 1991
DOI:10.1159/000263623
出版商: S. Karger AG
关键词: Ultrasound screening;Fetal malformation;Obstetric scanning
数据来源: Karger
摘要:
A low risk population was offered screening for malformations in the second and third trimesters of pregnancy. Of 16,763 scans of pregnancies in the second trimester, 61 malformations were identified (0.36%). In the third trimester, scanning of 10,752 pregnancies revealed 24 malformations (0.22%): in all, in a low risk population 0.58% major malformations were found. The sensitivity for noncardiac malformations of the second trimester scanning was 54.3 with a specificity of 99.9%. The malformations overlooked was a more benign spectrum than the cases diagnosed. The sensitivity for cardiac malformations was less than 20%.
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