First Trimester Ultrasound Screening: An Update
نویسندگان
چکیده
منابع مشابه
Ultrasound screening in second and third trimester of pregnancy: an update.
Ultrasound screening of structural fetal malformations is mainly based on the use of ultrasounds during the second trimester of pregnancy. The diagnostic sensibility of ultrasounds varies in the different multicentric studies reported in literature and is correlated to different factors: gestation period, type of malformation, number of ultrasounds performed, operator experience, etc. Third tri...
متن کاملFactors predicting a positive pregnancy screening test at first trimester
Background: For every pregnant woman, it is possible to have a child with chromosomal abnormalities. Although this possibility is not very high, by performing screening tests and considering the mother's background factors, we can largely realize the real extent of this possibility. Many comorbidities (like high blood pressure, diabetes, and obesity) and high-risk exposures (like alcohol consu...
متن کاملExpanded conventional first trimester screening
OBJECTIVE The study aims to determine the performance of a five (5) serum marker plus ultrasound screening protocol for T21, T18 and T13. METHOD Specimens from 331 unaffected, 34 T21, 19 T18 and 8 T13 cases were analyzed for free Beta human chorionic gonadotropin, pregnancy-associated plasma protein A, alpha-fetoprotein, placental growth factor and dimeric inhibin A. Gaussian distributions of...
متن کاملFetal outcomes in first trimester pregnancies with an indeterminate ultrasound.
BACKGROUND Pregnant women commonly present to the Emergency Department (ED) for evaluation during their first trimester. These women have many concerns, one of which is the viability of their pregnancy and the probability of miscarriage. STUDY OBJECTIVES We sought to determine fetal outcomes of women with an indeterminate ultrasound who present to the ED during the first trimester of pregnanc...
متن کاملThe use of first trimester ultrasound.
OBJECTIVE To review the clinical indications for first trimester ultrasound. OUTCOME Proven clinical benefit from first trimester ultrasound. EVIDENCE MEDLINE search and bibliography reviews in relevant literature. VALUES Content and recommendations reviewed by the principal authors and the Diagnostic Imaging Committee of the Society of Obstetricians and Gynaecologists of Canada. Levels o...
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ژورنال
عنوان ژورنال: Donald School Journal of Ultrasound in Obstetrics and Gynecology
سال: 2010
ISSN: 0973-614X,0975-1912
DOI: 10.5005/jp-journals-10009-1133