Results 11 to 20 of about 189,771 (305)

Prenatal ultrasound screening for fetal anomalies and outcomes in high-risk pregnancies due to maternal HIV infection : a retrospective study [PDF]

open access: yes, 2013
Objective: To assess the prevalence of prenatal screening and of adverse outcome in high-risk pregnancies due to maternal HIV infection. Study design: The prevalence of prenatal screening in 330 pregnancies of HIV-positive women attending the ...
Buxmann, Horst   +6 more
core   +2 more sources

Prenatal screening [PDF]

open access: yesISBT Science Series, 2013
In most countries, pregnant women are early in pregnancy typed for ABO and RhD and screened for the presence of red cell antibodies. Maternal red cell alloantibodies of IgG class are actively transported by the placenta to the fetus and destruct the fetal red cells, if these carry the involved antigen leading to haemolytic disease of the fetus and ...
M. de Haas, E. van der Schoot
openaire   +1 more source

Non-invasive prenatal test to screen common trisomies in twin pregnancies

open access: yesMolecular Cytogenetics, 2020
Objectives Recent years have witnessed a shift from invasive methods of prenatal screening to non-invasive strategies. Accordingly, non-invasive prenatal testing (NIPT) using cell-free fetal DNA in maternal plasma has gained a considerable deal of ...
Mahtab Motevasselian   +10 more
doaj   +1 more source

A comprehensive overview of SMN and NAIP copy numbers in Iranian SMA patients

open access: yesScientific Reports, 2023
Spinal muscular atrophy (SMA) is among the most common autosomal recessive disorders with different incidence rates in different ethnic groups. In the current study, we have determined SMN1, SMN2 and NAIP copy numbers in an Iranian population using MLPA ...
Shahram Savad   +13 more
doaj   +1 more source

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

Prevalence of Prenatal HIV Screening in Massachusetts: Examining Patterns in Prenatal HIV Screening Using the Massachusetts Pregnancy Risk Assessment Monitoring System (PRAMS), 2007-2016

open access: yesJournal of the International Association of Providers of AIDS Care, 2022
Prenatal HIV screening is critical to eliminate mother-to-child (MTC) HIV transmission. Although Massachusetts (MA) has near-zero MTC transmission rates, recent trends in statewide prenatal HIV testing are unknown.
Ndidiamaka Amutah-Onukagha PhD, MPH   +4 more
doaj   +1 more source

Maternal cell-free DNA-based screening for fetal microdeletion and the importance of careful diagnostic follow-up. [PDF]

open access: yes, 2015
BackgroundNoninvasive prenatal screening (NIPS) by next-generation sequencing of cell-free DNA (cfDNA) in maternal plasma is used to screen for common aneuploidies such as trisomy 21 in high risk pregnancies.
Chu, Tianjiao   +5 more
core   +2 more sources

Analysis of Down syndrome failed to be diagnosed after prenatal screening: A multicenter study. [PDF]

open access: yes, 2017
To analyze the characters of Down syndrome (DS) who failed to be diagnosed after prenatal screening and hope to be able to improve the programs of prenatal screening and reduce the missed diagnosis of DS.
Ding, Jie   +6 more
core   +1 more source

Prenatal screening, ethics and Down's Syndrome: a Literature review [PDF]

open access: yes, 2001
This article reviews the literature on prenatal screening for Down's syndrome. To be evidence based, medicine and nursing have to take account of research evidence and also of how this evidence is processed through the influence of prevailing social and ...
Alderson, Priscilla
core   +2 more sources

Karyotype analysis of amniotic fluid cells and report of chromosomal abnormalities in 15,401 cases of Iranian women

open access: yesScientific Reports, 2021
The aim of present study was to assess the karyotypes of amniotic fluid cells and find the frequency of chromosomal abnormalities and their significance in clinical setting.
Sarang Younesi   +11 more
doaj   +1 more source

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