Abstract:
OBJECTIVE:To examine the ability of chorionic villus sampling (CVS) and fluorescence in situ hybridization (FISH) to detect aneuploidy before first trimester fetal reduction (FR) in sonographically normal-appearing fetuses. METHODS:A retrospective review of 470 patients referred to our unit for FR from January 2007-March 2011. Prenatal diagnosis was offered to all. FR was performed after next-day FISH results. Abnormalities were categorized by ultrasound, FISH, and/or karyotype. Sensitivity, specificity, positive predictive value, and negative predictive value of pre-FR FISH were calculated. RESULTS:Four hundred thirty-two of 470 patients seen were first trimester. 24/432 (5.2%) were excluded for abnormal ultrasound findings, including nuchal translucency (NT) > 3.0 mm, and 360 (88.2%) underwent CVS before FR. Ten fetuses were then excluded for euploid sex mosaicism. 10/350 (2.9%) patients with normal ultrasounds had abnormal FISH confirmed by karyotype. 9/350 (2.6%) patients with normal FISH had an abnormal karyotype necessitating follow up amniocentesis in which the clinically relevant discordancy was confirmed in one case (1/350, 0.3%). Pre-FR FISH had a 90% sensitivity, 99.4% specificity, 83.3% positive predictive value, and 99.7% negative predictive value. CONCLUSIONS:3.1% of patients with normal-appearing fetuses prior to first trimester FR had a fetus with an abnormal karyotype of which FISH detected 90%. CVS with FISH prior to FR adds significant information that can guide reduction decisions.
journal_name
Prenat Diagnjournal_title
Prenatal diagnosisauthors
Rosner M,Pergament E,Andriole S,Gebb J,Dar P,Evans MIdoi
10.1002/pd.4213subject
Has Abstractpub_date
2013-10-01 00:00:00pages
940-4issue
10eissn
0197-3851issn
1097-0223journal_volume
33pub_type
杂志文章abstract:OBJECTIVE:To determine the frequency of diagnostic indications among women seeking to terminate pregnancies for reasons of fetal abnormality, spontaneous fetal demise, or a genetic disorder in a private outpatient clinic specializing in late outpatient abortion procedures. METHOD:A total of 1005 women requested termin...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4324
更新日期:2014-05-01 00:00:00
abstract:OBJECTIVES:To compare the frequency of abnormal genetic diagnoses spanning a period before and after the availability of chromosomal microarray analysis (CMA). We hypothesised that microarray would provide additional clinically relevant information in cases of isolated hypoplastic nasal bone. METHOD:Fetuses with ultra...
journal_title:Prenatal diagnosis
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更新日期:2019-01-01 00:00:00
abstract::Autosomal recessive polycystic kidney disease (ARPKD) is a rare hereditary disease with a high neonatal mortality. Currently, prenatal diagnosis is possible only during the second half of pregnancy, when bilaterally enlarged, echogenic kidneys are visible by ultrasound. We describe a case in which a diagnosis of ARPKD...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970150914
更新日期:1995-09-01 00:00:00
abstract:OBJECTIVE:Genetic carrier screening has the potential to identify couples at risk of having a child affected with an autosomal recessive or X-linked disorder. However, the current prevalence of carrier status for these conditions in developing countries is not well defined. This study assesses the prevalence of carrier...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.5656
更新日期:2020-04-01 00:00:00
abstract::We report a liveborn infant with severe intrauterine growth retardation and renal failure, delivered following detection of non-mosaic trisomy 2 by chorionic villus biopsy in the first trimester. Detailed analysis post-delivery indicated apparent complete trisomy 2 of the chorionic tissues, with a chromosomally normal...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/(SICI)1097-0223(199610)16:10<958::AID-PD97
更新日期:1996-10-01 00:00:00
abstract::A case of 46,XX/47,XXY mosaicism was diagnosed at 22 gestational weeks by amniocentesis and fetal blood sampling. After genetic counselling, the couple elected to have the pregnancy terminated. Culture of the fetal skin and both gonads confirmed the prenatal diagnosis. In external appearance, the abortus had no remark...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970150113
更新日期:1995-01-01 00:00:00
abstract::Authors of policy statements from the American College of Obstetricians and Gynecologists and from the Society for Maternal-Fetal Medicine do not acknowledge the potential for their clinical income to influence their opinions, or the positions of the societies they represent. These policy statements were published in ...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.5209
更新日期:2018-02-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章,多中心研究
doi:10.1002/pd.2000
更新日期:2008-09-01 00:00:00
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journal_title:Prenatal diagnosis
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更新日期:2005-02-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.2466
更新日期:2010-03-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:1983-04-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:2015-08-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4053
更新日期:2013-03-01 00:00:00
abstract::Growth of cells from amniotic fluid was studied with respect to cell concentration in the inoculum, blood contamination of the fluid, fluid colour, fluid clarity, gestational age of the pregnancy, and growth factors. Dependent variables measured were colony formation, colony size, and colony morphology after 7, 11, an...
journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970030206
更新日期:1983-04-01 00:00:00
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journal_title:Prenatal diagnosis
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更新日期:2014-12-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.4550
更新日期:2015-04-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970101005
更新日期:1990-10-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.2119
更新日期:2008-11-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970050502
更新日期:1985-09-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:2006-11-01 00:00:00
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journal_title:Prenatal diagnosis
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更新日期:2002-07-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970151216
更新日期:1995-12-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:2005-12-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:2018-06-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.2490
更新日期:2010-04-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1345
更新日期:2006-02-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970141011
更新日期:1994-10-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:2013-12-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
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更新日期:1992-01-01 00:00:00
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journal_title:Prenatal diagnosis
pub_type: 杂志文章
doi:10.1002/pd.1970050105
更新日期:1985-01-01 00:00:00