Results 21 to 30 of about 655,699 (284)

Down's Syndrome: cost, quality and value of life [PDF]

open access: yes, 2001
Routine prenatal screening is based on the assumption that it is reasonable for prospective parents to choose to prevent a life with Down's syndrome. This paper questions whether Down's syndrome necessarily involves the costs, limitations and suffering ...
Alderson, Priscilla
core   +2 more sources

The significance of trisomy 7 mosaicism in noninvasive prenatal screening

open access: yesHuman Genomics, 2019
Background This study was an evaluation of the role of noninvasive prenatal testing (NIPT) in the detection of trisomy 7 in prenatal diagnosis. Method A total of 35 consecutive cases underwent screening for trisomies by cell-free DNA testing between ...
Yiming Qi   +7 more
doaj   +1 more source

Discrepancy of QF-PCR, CMA and karyotyping on a de novo case of mosaic isodicentric Y chromosomes

open access: yesMolecular Cytogenetics, 2019
Background Isodicentric chromosomes are the most frequent structural aberrations of human Y chromosome, and usually present in mosaicism with a 45, X cell line.
Yuan Liu   +9 more
doaj   +1 more source

Third trimester ultrasound. A long-standing debate

open access: yesTaiwanese Journal of Obstetrics & Gynecology, 2021
Third trimester ultrasound has long been in obstetrics a topic of debate. This issue is framed in a historical debate on the effectiveness of routine obstetrical ultrasound and two opposing trends originated in America and Europe, respectively.
Álvaro López Soto   +3 more
doaj   +1 more source

Severe congenital microcephaly with AP4M1 mutation, a case report [PDF]

open access: yes, 2017
Background: Autosomal recessive defects of either the B1, E1, M1 or S1 subunit of the Adaptor Protein complex-4 (AP4) are characterized by developmental delay, severe intellectual disability, spasticity, and occasionally mild to moderate microcephaly of ...
Abramowicz, Marc   +6 more
core   +2 more sources

C-banding and AgNOR-staining were still effective complementary methods to indentify chromosomal heteromorphisms and some structural abnormalities in prenatal diagnosis

open access: yesMolecular Cytogenetics, 2019
Background In prenatal diagnosis, CMA has begun to emerge as a favorable alternative to karyotype analysis, but it could not identify balanced translocations, triploidies, inversion and heteromorphisms.
Jian Jiang Zhu   +9 more
doaj   +1 more source

A novel TAB2 nonsense mutation (p.S149X) causing autosomal dominant congenital heart defects: a case report of a Chinese family

open access: yesBMC Cardiovascular Disorders, 2020
Background TAB2 is an activator of MAP 3 K7/TAK1, which is required for the IL-1 induced signal pathway. Microdeletions encompassing TAB2 have been detected in various patients with congenital heart defects (CHD), indicating that haploinsufficiency of ...
Jia Chen   +10 more
doaj   +1 more source

Neonatal abstinence syndrome: Pharmacologic strategies for the mother and infant. [PDF]

open access: yes, 2016
Opioid use in pregnancy has increased dramatically over the past decade. Since prenatal opioid use is associated with numerous obstetrical and neonatal complications, this now has become a major public health problem.
Davis, Jonathan M.   +2 more
core   +2 more sources

Molecular delineation of small supernumerary marker chromosomes using a single nucleotide polymorphism array

open access: yesMolecular Cytogenetics, 2020
Background Defining the phenotype-genotype correlation of small supernumerary marker chromosomes (sSMCs) remains a challenge in prenatal diagnosis. We karyotyped 20,481 amniotic fluid samples from pregnant women and explored the molecular characteristics
Lili Zhou   +6 more
doaj   +1 more source

Prenatal diagnosis of Williams-Beuren syndrome by ultrasound and chromosomal microarray analysis

open access: yesMolecular Cytogenetics, 2022
Background There are a few literature reports of prenatal ultrasound manifestations of Williams-Beuren syndrome. We aimed to explore the prenatal diagnosis of Williams-Beuren syndrome by ultrasound and chromosomal microarray analysis and describe the ...
Ruibin Huang   +14 more
doaj   +1 more source

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