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Prenatal test

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https://www.readbyqxmd.com/read/27905150/genetic-parameter-estimates-for-prenatal-and-postnatal-mortality-in-nellore-cattle
#1
L C Magalhães Silva, F Baldi, C Aboujaoude, G C Venturini, L G Albuquerque, M J R Paranhos da Costa
The aim of this study was to estimate genetic parameters for prenatal (PRE) and postnatal (POS) mortality in Nellore cattle. A total of 13 141 (PRE) and 17 818 (POS) records from Nellore females were used. PRE and POS were recorded using binary scale scores: a score of '1' was given to calves that were born alive (PRE) and those that were alive at weaning (POS), and a score of '0' was given to calves that were not alive at or around birth (PRE), as well as to those weighed at birth but not at weaning (POS)...
December 1, 2016: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/27904167/comparison-of-errors-of-35-weight-estimation-formulae-in-a-standard-collective
#2
M Hoopmann, K O Kagan, A Sauter, H Abele, P Wagner
Issue: The estimation of foetal weight is an integral part of prenatal care and obstetric routine. In spite of its known susceptibility to errors in cases of underweight or overweight babies, important obstetric decisions depend on it. In the present contribution we have examined the accuracy and error distribution of 35 weight estimation formulae within the normal weight range of 2500-4000 g. The aim of the study was to identify the weight estimation formulae with the best possible correspondence to the requirements of clinical routine...
November 2016: Geburtshilfe und Frauenheilkunde
https://www.readbyqxmd.com/read/27900229/patient-perception-of-negative-noninvasive-prenatal-testing-results
#3
A Theresa Wittman, S Shahrukh Hashmi, Hector Mendez-Figueroa, Salma Nassef, Blair Stevens, Claire N Singletary
Objective To determine patient perception of residual risk after receiving a negative non-invasive prenatal testing result. Introduction Recent technological advances have yielded a new method of prenatal screening, non-invasive prenatal testing (NIPT), which uses cell-free fetal DNA from the mother's blood to assess for aneuploidy. NIPT has much higher detection rates and positive predictive values than previous methods however, NIPT is not diagnostic. Past studies have demonstrated that patients may underestimate the limitations of prenatal screening; however, patient perception of NIPT has not yet been assessed...
October 2016: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/27898911/estimation-of-the-effects-of-selection-on-french-large-white-reproductive-performance-using-frozen-semen
#4
P Silalahi, T Tribout, A Prunier, Y Billon, J Gogué, J P Bidanel
Genetic trends for male and female sexual development and components of litter size and weight at birth (LB) as well as traits related to sow lifetime productivity were estimated in a French Large White (LW) pig population using frozen semen. Two experimental groups (EXP = L77 and L98) were produced by inseminating LW sows with either stored frozen semen from 17 LW boars born in 1977 (EXP = L77) or with semen from 23 LW boars born in 1998 (EXP = L98). In each group, about 100 males were measured for testicular development and bulbo-urethral gland development, and 90 gilts were checked for puberty, among which about 50 gilts were measured for their first ovulation rate at puberty (ORP)...
September 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27896286/aneuploidy-screening-using-circulating-fetal-cells-in-maternal-blood-by-dual-probe-fish-protocol-a-prospective-feasibility-study-on-a-series-of-172-pregnant-women
#5
Giuseppe Calabrese, Donatella Fantasia, Melissa Alfonsi, Elisena Morizio, Claudio Celentano, Paolo Guanciali Franchi, Giulia Sabbatinelli, Chiara Palka, Peter Benn, Gianmaria Sitar
BACKGROUND: A long sought goal in medical genetics has been the replacement of invasive procedures for the detection of chromosomal aneuploidies by isolating and analyzing fetal cells or free fetal DNA from maternal blood, avoiding risk to the fetus. However, a rapid, simple, consistent, and low-cost procedure suitable for routine clinical practice has not yet been achieved. The purpose of this study was to assess the feasibility of predicting fetal aneuploidy by applying our recently established dual-probe FISH protocol to fetal cells isolated and enriched from maternal blood...
November 2016: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/27896246/quantitative-fluorescent-polymerase-chain-reaction-for-rapid-prenatal-diagnosis-of-fetal-aneuploidies-in-chorionic-villus-sampling-in-a-single-institution
#6
You Jung Shin, Jin Hoon Chung, Do Jin Kim, Hyun Mee Ryu, Moon Young Kim, Jung Yeol Han, June Seek Choi
OBJECTIVE: To validate quantitative fluorescent polymerase chain reaction (QF-PCR) via chorionic villus sampling (CVS) for the diagnosis of fetal aneuploidies. METHODS: We retrospectively reviewed the medical records of consecutive pregnant women who had undergone CVS at Cheil General Hospital between December 2009 and June 2014. Only cases with reported QF-PCR before long-term culture (LTC) for conventional cytogenetic analysis were included, and the results of these two methods were compared...
November 2016: Obstetrics & Gynecology Science
https://www.readbyqxmd.com/read/27889305/invasive-prenatal-diagnosis-of-fetal-thalassemia
#7
REVIEW
Dong-Zhi Li, Yan-Dong Yang
Thalassemia is the most common monogenic inherited disease worldwide, affecting individuals originating from many countries to various extents. As the disease requires long-term care, prevention of the homozygous state presents a substantial global disease burden. The comprehensively preventive programs involve carrier detections, molecular diagnostics, genetic counseling, and prenatal diagnosis. Invasive prenatal diagnosis refers to obtaining fetal material by chorionic villus sampling (CVS) at the first trimester, and by amniocentesis or cordocentesis at the second trimester...
October 26, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27889070/prenatal-ethanol-exposure-modifies-locomotor-activity-and-induces-selective-changes-in-met-enk-expression-in-adolescent-rats
#8
P Abate, A C Reyes-Guzmán, K Hernández-Fonseca, M Méndez
Several studies suggest that prenatal ethanol exposure (PEE) facilitates ethanol intake. Opioid peptides play a main role in ethanol reinforcement during infancy and adulthood. However, PEE effects upon motor responsiveness elicited by an ethanol challenge and the participation of opioids in these actions remain to be understood. This work assessed the susceptibility of adolescent rats to prenatal and/or postnatal ethanol exposure in terms of behavioral responses, as well as alcohol effects on Met-enk expression in brain areas related to drug reinforcement...
November 22, 2016: Neuropeptides
https://www.readbyqxmd.com/read/27887921/non-invasive-prenatal-diagnosis-of-thalassemias-using-maternal-plasma-cell-free-dna
#9
REVIEW
Irena Hudecova, Rossa W K Chiu
Non-invasive prenatal testing (NIPT) using maternal plasma cell free DNA has already reshaped the existing prenatal care system for pregnancies screened for common chromosomal aneuploidies. On the other hand, much progress has been made in developing NIPT for monogenic diseases. Thalassemia served as a disease model to develop strategies for NIPT of monogenic traits. One approach focuses on the detection or exclusion of paternally inherited fetal mutations that are absent from the mother's genome. The assessment of maternally inherited mutations in maternal plasma requires the use of highly sensitive DNA quantification techniques...
October 26, 2016: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27885054/impact-of-uteroplacental-insufficiency-on-postnatal-rat-male-gonad
#10
Valentina Pampanini, Daniela Germani, Antonella Puglianiello, Jan-Bernd Stukenborg, Ahmed Reda, Iuliia Savchuk, Kristin Ros Kjartansdóttir, Stefano Cianfarani, Olle Soder
BACKGROUND: Prenatal events such as intrauterine growth restriction can affect gonadal development of the offspring and have an impact on reproductive health. PURPOSE: To investigate the effects of intrauterine growth restricted induced by uterine artery ligation on the postnatal rat testis. METHODS: Pregnant rats underwent uterine artery ligation at day 19 of gestation. Offspring were sacrificed at 5, 20 and 40 days post-partum (dpp). At sacrifice, one gonad was snap frozen in liquid nitrogen and processed for RNA and steroid extraction...
November 24, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27884779/gene-targeted-next-generation-sequencing-identifies-pnpla1-mutations-in-patients-with-a-phenotypic-spectrum-of-autosomal-recessive-congenital-ichthyosis-the-impact-of-consanguinity
#11
Hassan Vahidnezhad, Leila Youssefian, Amir Hossein Saeidian, Sirous Zeinali, Parvin Mansouri, Soheila Sotoudeh, Mohammadreza Barzegar, Javad Mohammadi-Asl, Razieh Karamzadeh, Maryam Abiri, Kevin McCormick, Paolo Fortina, Jouni Uitto
Autosomal recessive congenital ichthyosis (ARCI) is a heterogeneous group of disorders associated with mutations in at least nine distinct genes. To ascertain the molecular basis of ichthyosis patients in Iran, a country of ∼80 million people with high prevalence of customary consanguineous marriages, we have developed a gene targeted next generation sequencing array consisting of 38 genes reported in association with ichthyosis phenotypes. In a subset of nine extended consanguineous families we found homozygous missense mutations in the PNPLA1 gene, six of them being distinct and previously unpublished...
November 21, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27883195/the-use-of-cardiac-orienting-responses-as-an-early-and-scalable-biomarker-of-alcohol-related-neurodevelopmental-impairment
#12
Diego A Mesa, Julie A Kable, Claire D Coles, Kenneth Lyons Jones, Lyubov Yevtushok, Yaroslav Kulikovsky, Wladimir Wertelecki, Todd P Coleman, Christina D Chambers
BACKGROUND: Considered the leading cause of developmental disabilities worldwide, fetal alcohol spectrum disorders (FASD) are a global health problem. To take advantage of neural plasticity, early identification of affected infants is critical. The cardiac orienting response (COR) has been shown to be sensitive to the effects of prenatal alcohol exposure and is an inexpensive, easy to administer assessment tool. The purpose of this study was to evaluate the COR effectiveness in assessing individual risk of developmental delay...
November 24, 2016: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27878832/prenatal-cfdna-screening-results-indicative-of-maternal-neoplasm-survey-of-current-practice-and-management-needs
#13
Meagan E Giles, Lauren Murphy, Nevena Krstić, Cathy Sullivan, Syed S Hashmi, Blair Stevens
OBJECTIVE: To determine genetic counselors' current practices and management needs for patients with prenatal cfDNA screening results indicative of maternal neoplasm. METHODS: A survey was completed by genetic counselors recruited via the National Society of Genetic Counselors (NSGC). RESULTS: Over 300 genetic counselors were surveyed. Almost all participants (95%) were aware that NIPT results may suggest maternal neoplasm and 77% reported they would disclose such results...
November 23, 2016: Prenatal Diagnosis
https://www.readbyqxmd.com/read/27878609/patterns-of-the-utilization-of-prenatal-diagnosis-services-among-pregnant-women-their-satisfaction-and-its-associated-factors-in-viet-nam
#14
Duong Thi Thuy Doan, Huong Thi Thu Nguyen, Ha Thi Thu Bui
OBJECTIVES: This study aimed at understanding the patterns of the utilization of prenatal diagnostic (PND) services among pregnant women, their satisfaction and its associated factors at three regional prenatal diagnostic centres in Viet Nam. METHODS: A cross-sectional design was used, with a consecutive sampling method to recruit pregnant women who used PND services at the three biggest regional PND services centres in Viet Nam between January and June, 2014. A total of 298 participants, about 100 participants per centre were interviewed and included in data analysis...
November 23, 2016: International Journal of Public Health
https://www.readbyqxmd.com/read/27876989/seroprevalence-of-toxoplasmosis-in-diabetic-pregnant-women-in-southwestern-of-iran
#15
Jasem Saki, Shahla Shafieenia, Masoud Foroutan-Rad
To investigate anti-Toxoplasma gondii IgG and IgM antibodies in diabetic pregnant women in Ahvaz, southwest of Iran this experiment was performed. In current study the sera of 110 diabetic pregnant women as well as 110 non diabetic pregnant women referred to the hospitals affiliated with the Ahvaz Jundishapur University of Medical Sciences were assessed for anti-T. gondii IgG and IgM antibodies by ELISA and IFA methods. The ELISA assessments showed that 47 (42.7 %) and 3 (2.7 %) of diabetic women were positive for IgG and IgM antibodies, respectively...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27876014/prenatal-diagnosis-in-sweden-2011-to-2013-a-register-based-study
#16
Kerstin Petersson, Marie Lindkvist, Margareta Persson, Peter Conner, Annika Åhman, Ingrid Mogren
BACKGROUND: Prenatal diagnosis involves methods used in early pregnancy as either screening tests or diagnostic methods. The aims of the study were to i) investigate guidelines on prenatal diagnosis in the counties of Sweden, ii) investigate uptake of prenatal diagnosis, and iii) background characteristics and pregnancy outcomes in relation to different prenatal diagnostic methods. METHODS: A retrospective cross-sectional study using data from the Swedish Pregnancy Register 2011 to 2013 (284,789 pregnancies) was performed...
November 22, 2016: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/27871978/differences-in-testosterone-and-its-precursors-by-sex-of-the-offspring-in-meconium
#17
Alexander J Frey, Bo Y Park, Emily R Schriver, Daniel R Feldman, Samuel Parry, Lisa A Croen, Daniele M Fallin, Irva Hertz-Picciotto, Craig J Newschaffer, Nathaniel W Snyder
Prenatal metabolism exerts profound effects on development. The first stool of the newborn, meconium, provides a window into the prenatal metabolic environment. The objective of this study was to examine the feasibility of meconium as a novel matrix to quantify prenatal steroid levels. We quantified parameters of analytical interest regarding the use of meconium, including sample stability. We hypothesized that meconium steroid content would differ by sex, prompting analysis of meconium to test effects of prenatal steroid metabolism...
November 18, 2016: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27869945/-assessment-of-the-adequacy-of-prenatal-care-according-to-family-income-in-aracaju-sergipe-state-brazil-2011
#18
Renata Alves da Silva Carvalho, Victor Santana Santos, Cláudia Moura de Melo, Ricardo Queiroz Gurgel, Cristiane Costa da Cunha Oliveira
OBJECTIVE: to assess the adequacy of prenatal care offered to pregnant health service users in Aracaju, Sergipe State, Brazil, according to family income. METHODS: this was a cross-sectional study with 322 women living in the city of Aracaju whose children were born in November and December 2011; data were collected using questionnaires, including number of consultations, technical and laboratory procedures recommended by the Brazilian Ministry of Health (MoH); adequacy of prenatal care was assessed according to MoH criteria; chi-square test was used to compare proportions between categorical variables...
April 2016: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/27869246/multiple-assessment-methods-of-prenatal-exposure-to-radio-frequency-radiation-from-telecommunication-in-the-mothers-and-children-s-environmental-health-moceh-study
#19
Kyung-Hwa Choi, Mina Ha, Eunae Burm, Eun-Hee Ha, Hyesook Park, Yangho Kim, Ae-Kyoung Lee, Jong Hwa Kwon, Hyung-Do Choi, Nam Kim
OBJECTIVES: To evaluate prenatal exposure to radiofrequency radiation (RFR) from telecommunication using a mobile phone questionnaire, operator data logs of mobile phone use and a personal exposure meter (PEM). MATERIAL AND METHODS: The study included 1228 mother-infants pairs from the Mothers and Children's Environmental Health (MOCEH) study - a multicenter prospective cohort study ongoing since 2006, in which participants were enrolled at ≤ 20 weeks of pregnancy, with a follow-up of a child birth and growth to assess the association between prenatal environmental exposure and children's health...
November 18, 2016: International Journal of Occupational Medicine and Environmental Health
https://www.readbyqxmd.com/read/27864167/testing-the-feasibility-of-remote-patient-monitoring-in-prenatal-care-using-a-mobile-app-and-connected-devices-a-prospective-observational-trial
#20
Kathryn I Marko, Jill M Krapf, Andrew C Meltzer, Julia Oh, Nihar Ganju, Anjali G Martinez, Sheetal G Sheth, Nancy D Gaba
BACKGROUND: Excessive weight gain and elevated blood pressure are significant risk factors for adverse pregnancy outcomes such as gestational diabetes, premature birth, and preeclampsia. More effective strategies to facilitate adherence to gestational weight gain goals and monitor blood pressure may have a positive health benefit for pregnant women and their babies. The impact of utilizing a remote patient monitoring system to monitor blood pressure and weight gain as a component of prenatal care has not been previously assessed...
November 18, 2016: JMIR Research Protocols
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