Ultrasonographic soft markers of aneuploidy in second trimester fetuses
نویسندگان
چکیده
منابع مشابه
First-trimester biochemical markers of aneuploidy and the prediction of small-for-gestational age fetuses.
OBJECTIVES To examine the clinical utility of the first-trimester biochemical markers of aneuploidy in their ability to predict subsequent delivery of a small-for-gestational age (SGA) infant. METHODS We examined singleton pregnancies with no chromosomal abnormality and with complete outcome data that had undergone screening for trisomy 21 by a combination of fetal nuchal translucency (NT) th...
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OBJECTIVE Genetic sonography following first-trimester combined screening appears to increase substantially detection rates for Down syndrome but it relies on the unproved assumption of independence between these tests. In this study we aimed to investigate the relationship between first-trimester nuchal translucency (NT) and a series of second-trimester soft markers and structural defects in u...
متن کاملFacial profile markers in second- and third-trimester fetuses with trisomy 18.
OBJECTIVES To evaluate nasal bone length (NBL), maxilla-nasion-mandible (MNM) angle, fetal profile (FP) line, prenasal thickness (PT), prenasal thickness to nasal bone length (PT:NBL) ratio and prefrontal space ratio (PFSR) as markers of trisomy 18 in the second and third trimesters of pregnancy. METHODS The NBL, MNM angle, FP line, PT, PT:NBL ratio and PFSR were measured retrospectively from...
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Background: Although soft markers may be seen as normal variants, they are important due to their association with chromosomal and congenital abnormalities. Methods: This cross-sectional descriptive-analytical study was done on 3016 women who referred for perinatal care. Fetuses with any of soft markers including thickened nuchal fold (TNF), mild pyelectasis (MP), choroid plexus cyst (C...
متن کاملMaternal serum markers in second-trimester oligohydramnios.
The levels of the maternal serum markers alpha-fetoprotein (AFP), human chorionic gonadotrophin (hCG), and unconjugated oestriol (uE3) in 35 pregnant women with early second-trimester oligohydramnios differed from those in a reference population of 1699 singleton pregnancies. Maternal serum AFP levels above the 95th centile of the population distribution were observed in 80 per cent (16/20) of ...
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ژورنال
عنوان ژورنال: Middle East Fertility Society Journal
سال: 2012
ISSN: 1110-5690
DOI: 10.1016/j.mefs.2012.04.007