OP26.01: Prenatal diagnosis of trisomy 18 with sonogram index scoring system

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منابع مشابه

Natural history of fetal trisomy 18 after prenatal diagnosis.

OBJECTIVE To evaluate the natural fetal and neonatal outcome for pregnancies with an established prenatal diagnosis of fetal trisomy 18, and a parental decision for continuation of the pregnancy. METHODS The obstetric and neonatal outcome data for 23 such pregnancies, diagnosed at a single referral Fetal Medicine Centre, were retrospectively obtained. RESULTS The overall intrauterine fetal ...

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Noninvasive Prenatal Diagnosis of Fetal Trisomy 18 and Trisomy 13 by Maternal Plasma DNA Sequencing

Massively parallel sequencing of DNA molecules in the plasma of pregnant women has been shown to allow accurate and noninvasive prenatal detection of fetal trisomy 21. However, whether the sequencing approach is as accurate for the noninvasive prenatal diagnosis of trisomy 13 and 18 is unclear due to the lack of data from a large sample set. We studied 392 pregnancies, among which 25 involved a...

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Prenatal diagnosis of complete trisomy 19q.

This communication presents the first case of complete trisomy 19q, prenatally detected by ultrasound investigation. Real-time high-resolution ultrasound examination was performed at 19 weeks of gestation. After termination of the pregnancy, autopsy investigation was done. GTG-banding, fluorescence in situ hybridization m-(FISH) analysis, and FISH analysis with a 19q subtelomeric specific probe...

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Prenatal diagnosis of trisomy 21, 18 and 13 by quantitative pyrosequencing of segmental duplications.

Chromosomal aberration mostly occurs in chromosomes 21, 18 and 13, with an incidence approximately 1 out of 160 live births in humans, therefore making prenatal diagnosis necessary in clinics. Current methods have drawbacks such as time consuming, high cost, complicated operations and low sensitivity. In this paper, a novel method for rapid and accurate prenatal diagnosis of aneuploidy is propo...

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Will epigenetic allelic ratio analysis turn prenatal diagnosis of trisomy 18 on its EAR?

In a proof of principle report elsewhere in this issue of Clinical Chemistry, Tong et al. (1 ) describe a novel approach to the noninvasive prenatal diagnosis of a human chromosomal abnormality by analyzing the allelic ratio of a polymorphism present within the methylated promoter of a DNA sequence on chromosome 18q21.3, maspin (SERPINB5). This method differs from other approaches to noninvasiv...

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ژورنال

عنوان ژورنال: Ultrasound in Obstetrics & Gynecology

سال: 2011

ISSN: 0960-7692

DOI: 10.1002/uog.9499