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Prenatal diagnosis

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https://www.readbyqxmd.com/read/28428000/selected-oxidative-stress-biomarkers-in-antenatal-diagnosis-as-11-14-gestational-weeks
#1
Marek Pietryga, Piotr Dydowicz, Kinga Toboła, Marta Napierała, Izabela Miechowicz, Anna Gąsiorowska, Maciej Brązert, Ewa Florek
The primary objective in modern obstetrics and prenatal diagnosis is to predict risks of congenital abnormalities. The aim of the research was to assess the correlation between selected oxidative stress biomarkers with the risk of foetal chromosomal aberration evaluated at the first trimester screening. A series of studies show that balanced free radical activity and oxidative homeostasis are essential for proper bodily growth and function. Reactive oxygen species (ROS) may be one of the factors associated with disruption of cell cycle and tissue development, thus leading to developmental abnormalities...
April 17, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28426129/case-review-and-outcomes-of-prenatally-diagnosed-amniotic-sheets
#2
Assaad Kesrouani, Bernard Nasr, Habib Atallah, Samer Maalouf, Elie Chalhoub
The present study recorded a case series of 11 patients diagnosed with amniotic sheets at an outpatient obstetric clinic affiliated to Saint Joseph University, Beirut, Lebanon, between January 1, 2003, and December 31, 2013. Of these patients, nine were diagnosed during routine obstetric ultrasonography examination and two patients were referred from other centers. All patients included in the case series had singleton pregnancies and the mean length of pregnancy at diagnosis was 17 weeks (range 13-22). This article is protected by copyright...
April 20, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28426126/actinomyces-in-pregnancy-a-review-of-the-literature
#3
Sarah M Estrada, Everett F Magann, Peter G Napolitano
Importance: Actinomyces is commonly found in many areas of the body where it derives a benefit without harming the host. When it does infect the host during pregnancy, is that infection a threat to the obstetric patient and does that infection cause adverse pregnancy outcomes? Objective: The aim of this study was to review what is known about Actinomyces infections and the impact of an Actinomyces infection on pregnancy outcomes. Evidence Acquisition: A PubMed search was undertaken with the search years unlimited to April 1, 2016, and restricted to articles in English...
April 2017: Obstetrical & Gynecological Survey
https://www.readbyqxmd.com/read/28422450/erratum-to-prenatal-diagnosis-of-focal-dermal-hypoplasia-report-of-three-fetuses-and-review-of-the-literature
#4
(no author information available yet)
No abstract text is available yet for this article.
April 19, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28422407/mutations-in-tgds-associated-with-additional-malformations-of-the-middle-fingers-and-halluces-atypical-catel-manzke-syndrome-in-a-fetus
#5
Katharina Schoner, Rainer Bald, Denise Horn, Helga Rehder, Uwe Kornak, Nadja Ehmke
Pierre-Robin sequence, radial deviation, and ulnar clinodactyly of the index fingers due to an additional phalangeal bone, as well as heart defects are the key features of Catel-Manzke syndrome. Although mutations in TGDS were identified as the cause of this disorder, the pathogenetic mechanism remains unknown. Here, we report on a fetus with severe heart defect, nuchal edema, talipes, Pierre-Robin sequence, and bilateral deviation and clinodactyly of the index and middle fingers. Pregnancy was terminated at the 22nd week of gestation...
April 19, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28422339/prenatal-exposure-to-%C3%AE-2-adrenoreceptor-agonists-and-the-risk-of-autism-spectrum-disorders-in-offspring
#6
XiuJuan Su, Wei Yuan, JianPing Chen, MaoHua Miao, Jørn Olsen, Lars Henning Pedersen, Hong Liang, Jiong Li
PURPOSE: We aimed to examine the risk of autism spectrum disorders (ASDs) in the offspring who were exposed to maternal use of β2-adrenoreceptor agonist (β2AA) during pregnancy. METHODS: This is a population-based cohort study including all live singleton births in Denmark from 1 January 1997 to 31 December 2008. Children born to mothers who used β2AA during pregnancy were categorized as exposed, and all other children were included in the unexposed group. Cases of ASDs were identified from the Danish Psychiatric Central Register and the Danish Patient Register...
April 19, 2017: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/28421025/the-use-of-lausanne-trilogue-play-in-three-cases-of-gastroschisis-diagnosed-during-pregnancy
#7
Sandra Pellizzoni, Antonella Tripani, Marina Miscioscia, Rosella Giuliani, Andrea Clarici
From pregnancy to the 1st years of a child's life, families develop and increase representations and interactive competences toward the child. Prenatal diagnosis of a severe fetus' defect could profoundly alter the parental perception and development of these representations. The aim of the study was to evaluate triadic interactions in families, whose baby was prenatally diagnosed with severe gastroschisis. Three families took part in the preliminary case study, which was carried out when the babies were 6 months old...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28420901/discrepancy-between-non-invasive-prenatal-genetic-testing-nipt-and-amniotic-chromosomal-test-due-to-placental-mosaicism-a-case-report-and-literature-review
#8
Kei Hayata, Yuji Hiramatsu, Hisashi Masuyama, Eriko Eto, Takashi Mitsui, Shoko Tamada
We experienced a case of advanced maternal age in which a fetus was found to be positive for trisomy 18 at re-examination following indeterminate non-invasive prenatal genetic testing (NIPT), the amniotic fluid chromosomal test revealed a normal karyotype, and confined placental mosaicism (CPM) was observed in an SNP microarray analysis of the placenta. The child was born with no defects or complications. In the present case, the result of the original NIPT at week 15 of pregnancy was indeterminate and the subsequent re-examination result was positive; since the definitive normal diagnosis was not reported until the latter half of week 21, the pregnant patient was subjected to psychological stress for a long period of time...
April 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28420606/epigenetic-regulation-and-related-diseases-during-placental-development
#9
Liu Fulin, Zhou Jin, Zhang Wei, Wang Hui
The placenta is vital to fetal growth and development, as it bridges the fetus and the mother. Genome-wide epigenetic regulations (e.g., DNA methylation, histone modifications, non-coding RNAs) participate in many aspects of placenta development, including decidua of the uterus, trophoblast cell adhesion and invasion, angiogenesis and placental imprinted gene expression. Environmental factors during pregnancy, such as heavy metals, chemical compounds, modern assisted reproductive technology and the nutrient conditions, may cause abnormal placental epigenetics...
April 20, 2017: Yi Chuan, Hereditas
https://www.readbyqxmd.com/read/28420524/prenatal-diagnosis-of-mosaicism-for-trisomy-15-in-a-single-colony-at-amniocentesis-with-a-favorable-fetal-outcome
#10
Chih-Ping Chen, Fang-Yu Hung, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chien-Wen Yang, Wen-Lin Chen, Wayseen Wang
No abstract text is available yet for this article.
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420523/molecular-cytogenetic-characterization-and-prenatal-diagnosis-of-familial-xp22-33-microdeletion-encompassing-short-stature-homeobox-gene-in-a-male-fetus-with-a-favorable-outcome
#11
Chih-Ping Chen, Tsang-Ming Ko, Liang-Kai Wang, Shuan-Pei Lin, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chien-Wen Yang, Dai-Dyi Town, Meng-Shan Lee, Wayseen Wang
No abstract text is available yet for this article.
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420516/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of%C3%A2-low-level-mosaic-trisomy-12-at-amniocentesis-associated-with%C3%A2-a%C3%A2-favorable-pregnancy-outcome
#12
Chih-Ping Chen, Chen-Ju Lin, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chen-Wen Pan, Chien-Wen Yang, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis of low-level mosaic trisomy 12. CASE REPORT: A 40-year-old woman underwent amniocentesis at 18 weeks of gestation because of advanced maternal age, which revealed a karyotype of 47,XX,+12[5]/46,XX[24] consistent with 17.2% (5/29) mosaicism for trisomy 12. Repeat amniocentesis performed at 21 weeks of gestation revealed a karyotype of 47,XX,+12[4]/46,XX[6] consistent with 40% (4/10) mosaicism for trisomy 12. Interphase fluorescence in situ hybridization (FISH) on 112 uncultured amniocytes detected 23 cells with trisomy 12 consistent with 20...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420515/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of-mosaicism-for-a-small-supernumerary-marker-chromosome-derived-from-chromosome-2
#13
Chih-Ping Chen, Ming Chen, Shun-Ping Chang, Fang-Yu Hung, Meng-Ju Lee, Schu-Rern Chern, Peih-Shan Wu, Yen-Ni Chen, Shin-Wen Chen, Chen-Chi Lee, Dai-Dyi Town, Wen-Lin Chen, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis and molecular cytogenetic characterization of mosaicism for a small supernumerary marker chromosome (sSMC) derived from chromosome 2. CASE REPORT: A 42-year-old woman underwent amniocentesis at 17 weeks of gestation because of advanced maternal age. Amniocentesis revealed a karyotype of 47,XY,+mar[10]/46,XY[12]. The parental karyotypes were normal. Array comparative genomic hybridization analysis of the DNA extracted from cultured amniocytes revealed no genomic imbalance...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28420511/prenatal-diagnosis-and-molecular-cytogenetic-characterization-of-concomitant-familial-small-supernumerary-marker-chromosome-derived-from-chromosome-4q-4q11-1-q13-2-and-5q13-2-microdeletion-with-no-apparent-phenotypic-abnormality
#14
Chih-Ping Chen, Schu-Rern Chern, Yen-Ni Chen, Shin-Wen Chen, Peih-Shan Wu, Chien-Wen Yang, Chen-Chi Lee, Meng-Shan Lee, Chen-Wen Pan, Wayseen Wang
OBJECTIVE: We present prenatal diagnosis and molecular cytogenetic characterization of concomitant familial small supernumerary marker chromosome 4 [sSMC(4)] derived from 4q11.1-q12 and q13.2, and 5q13.2 microdeletion with no apparent phenotypic abnormality. MATERIALS AND METHODS: A 32-year-old woman underwent amniocentesis at 21 weeks of gestation because of absent nasal bone on fetal ultrasound. Amniocentesis revealed a karyotype of 47,XX,+mar[13]/46,XX[3]. Array comparative genomic hybridization analysis on the cultured amniocytes revealed a 2...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28419568/the-influence-of-noninvasive-prenatal-testing-on-gestational-age-at-time-of-abortion-for-aneuploidy
#15
Sarah C Lassey, Emily S Reiff, Lori Dobson, Bryann Bromley, Louise Wilkins-Haug, Deborah Bartz, Sarah E Little
OBJECTIVE: To compare the gestational age at termination for trisomy 13, 18, or 21 (aneuploidy) before and after the introduction of noninvasive prenatal testing (NIPT). METHODS: A retrospective cohort of women undergoing termination for aneuploidy at two academic institutions and one private clinic. We compared two time periods: before and after the introduction of NIPT (2006-2011 and 2012-2014, respectively). Maternal demographics and clinical characteristics were abstracted from the medical record...
April 17, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28418479/associations-of-maternal-antidepressant-use-during-the-first-trimester-of-pregnancy-with-preterm-birth-small-for-gestational-age-autism-spectrum-disorder-and-attention-deficit-hyperactivity-disorder-in-offspring
#16
Ayesha C Sujan, Martin E Rickert, A Sara Öberg, Patrick D Quinn, Sonia Hernández-Díaz, Catarina Almqvist, Paul Lichtenstein, Henrik Larsson, Brian M D'Onofrio
Importance: Prenatal antidepressant exposure has been associated with adverse outcomes. Previous studies, however, may not have adequately accounted for confounding. Objective: To evaluate alternative hypotheses for associations between first-trimester antidepressant exposure and birth and neurodevelopmental problems. Design, Setting, and Participants: This retrospective cohort study included Swedish offspring born between 1996 and 2012 and followed up through 2013 or censored by death or emigration...
April 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28417514/enlarged-cavum-septi-pellucidi-and-vergae-in-the-fetus-a-cause-for-concern
#17
Yoona K Ho, Michelle Turley, Krishelle L Marc-Aurele, Marilyn C Jones, Elise Housman, Dawn Engelkemier, Lorene E Romine, Paritosh C Khanna, Dolores H Pretorius
OBJECTIVES: To investigate fetal cases identified at our institution to determine whether an enlarged cavum septi pellucidi or cavum vergae is associated with other fetal abnormalities and whether its presence warrants more detailed investigation of the fetus. METHODS: In a retrospective study, 15 high- and low-risk patients undergoing prenatal sonography who had an enlarged cavum septi pellucidi or cavum vergae identified were reviewed. Data were collected for the sonographic study indication, gestation age at diagnosis of a prominent cavum, and associated anomalies...
April 18, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28416785/a-novel-mutation-in-the-glycine-decarboxylase-gene-in-patient-with-non-ketotic-hyperglycinemia
#18
Engin Kose, Uluc Yis, Semra Hiz, Nur Arslan
Non-ketotic hyperglycinemia (NKH) is a rare inborn error of metabolism and is caused by a glycine cleavage system deficiency. Eighty-five percent of patients present with the neonatal type of NKH, the infants initially develop lethargy, seizures, and episodes of apnea, and most often death. Between 60-90% of cases are caused by mutations in the glycine decarboxylase (GLDC). We believed that more mutation reports especially for rare disease as NKH help to evaluate the genotype-phenotype relationship in patients with GLDC...
April 2017: Neurosciences: the Official Journal of the Pan Arab Union of Neurological Sciences
https://www.readbyqxmd.com/read/28414187/metatropic-dysplasia-in-third-trimester-of-pregnancy-and-a-novel-causative-variant-in-the-trpv4-gene
#19
Sara Bargiacchi, Matteo Della Monica, Roberto Biagiotti, Elena Andreucci, Serena Ciabattoni, Paolo Poggi, Marco Di Maurizio, Claudio Defilippi, Ettore Cariati, Sabrina Giglio
Prenatal diagnosis of skeletal dysplasias is particularly difficult for many reasons and differentiating these disorders in the prenatal period can be challenging because they are rare and many of the ultrasound findings are not necessarily pathognomonic for a specific disorder. The diagnosis is often made just after birth or exitus. The prenatal diagnosis of osteochondrodysplasias is based predominantly upon fetal ultrasound findings and it focuses substantially on the possible lethality of the disorder, without always being able to find a specific name for the disorder...
April 13, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/28412848/proteomic-profile-of-serum-of-pregnant-women-carring-a-fetus-with-down-syndrome-using-nano-uplc-q-tof-ms-ms-technology
#20
Graciela Arelí López-Uriarte, Carlos Horacio Burciaga Flores, Víctor Manuel Torres de la Cruz, María Magdalena Medina Aguado, Viviana Maricela Gómez Puente, Liliana Nayeli Romero Gutiérrez, Laura Elia Martínez de Villarreal
INTRODUCTION: Prenatal diagnosis of Down syndrome (DS) is based on the calculated risk of maternal age, biochemical and ultrasonographic markers and recently by cfDNA. Differences in proteomic profiles may give an opportunity to find new biomarkers. OBJECTIVE: Characterize proteome of serum of mothers carrying DS fetus. MATERIAL AND METHODS: Blood serum samples of three groups of women were obtained, a) 10 non-pregnant, b) 10 pregnant with healthy fetus by ultrasound evaluation, c) 9 pregnant with DS fetus; Sample preparation was as follow: Albumin/IgG depletion, desalting, and trypsin digestion; the process was performed in nanoUPLC MS/MS...
April 16, 2017: Journal of Maternal-fetal & Neonatal Medicine
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