First-trimester fetal karyotyping: CVS or early amniocentesis?
نویسندگان
چکیده
منابع مشابه
First trimester fetal karyotyping in twin pregnancy.
Fetal chromosome analysis in a twin pregnancy during the first trimester is described. Problems of the reliability of tissue sampling are also discussed. The authors emphasise the advantage of direct cytogenetic analysis from the tissue specimens used for enzyme determination or DNA studies.
متن کاملFetal loss rates after mid-trimester amniocentesis
Objective: Amniocentesis is an invasive cytogenic test traditionally associated with a 1/200 procedure–related pregnancy loss rate. Recent studies have questioned the validity of the traditionally stated rate. The purpose of this study was to document the results of second-trimester genetic amniocentesis performed at our perinatalogy clinic. Study Design: A retrospective review of all the amnio...
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OBJECTIVE To determine the postprocedure loss rate for mid-trimester genetic amniocentesis. OUTCOME Reduction of benign biopsy rates. BENEFITS To provide better advice for women about the risks and benefits of mid-trimester genetic amniocentesis, and to ensure that women are given sufficient information/counselling to make a decision about screening. SUMMARY STATEMENT The risk of postproc...
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An association between the occurrence of club foot and early amniocentesis has been reported. The largest of these randomised studies was the Canadian Early and Mid-Trimester Amniocentesis Trial. Data describing the neonatal outcome, focusing on this association, are presented. Possible mechanisms for the association and the implications for the development of club foot are discussed.
متن کاملFirst-trimester screening for Dandy-Walker syndrome using intracranial translucency
Methods During a 3-year period from 2012 and 2015, consecutive women undergoing first-trimester screening for aneuploidy were routine examined for the presence of the IT in the sagittal plane of the fetal head by one FMF-accredited MFM specialist. The anterior-posterior diameter was measured and normative data were generated. Fetuses with increased IT were further studied with serial scans and ...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 1991
ISSN: 0960-7692
DOI: 10.1046/j.1469-0705.1991.01040233.x