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Fetal well being test

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https://www.readbyqxmd.com/read/29149263/vitamin-d-and-assisted-reproductive-treatment-outcome-a-systematic-review-and-meta-analysis
#1
Justin Chu, Ioannis Gallos, Aurelio Tobias, Bee Tan, Abey Eapen, Arri Coomarasamy
STUDY QUESTION: Is serum vitamin D associated with live birth rates in women undergoing ART? SUMMARY ANSWER: Women undergoing ART who are replete in vitamin D have a higher live birth rate than women who are vitamin D deficient or insufficient. WHAT IS KNOWN ALREADY: Vitamin D deficiency has been associated with an increased risk of abnormal pregnancy implantation as well as obstetric complications such as pre-eclampsia and fetal growth restriction...
November 15, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29142413/antiurolithiatic-potential-of-neeri-against-calcium-oxalate-stones-by-crystallization-inhibition-free-radicals-scavenging-and-nrk-52e-cell-protection-from-oxalate-injury
#2
Parveen Kumar Goyal, Santosh Kumar Verma, Anil Kumar Sharma
Background: Neeri is a well-established polyherbal formulation prescribed for renal stones by the physicians but has not been experimentally evaluated for its antiurolithiatic potential using cell-lines. Objective: This study is aimed to scientifically substantiate the antiurolithiatic effect of Neeri extract (NRE) through calcium oxalate (CaOx) crystallization inhibition, scavenging of free radicals, and protection of renal tubular epithelial NRK-52E cells from oxalate-induced injury...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29126301/coagulation-testing-in-the-core-laboratory
#3
William E Winter, Sherri D Flax, Neil S Harris
Primary hemostasis begins with endothelial injury. VWF, produced by endothelial cells, binds to platelets and links them to subendothelial collagen. Platelet-derived ADP and thromboxane activate non-adhered platelets via their GPIIb/IIIa receptors, allowing these platelets to participate in platelet aggregation. Secondary hemostasis is initiated with the binding of factor VII to extravascular tissue factor (TF). Factors II, VII, IX and X are vitamin K-dependent factors. The role of vitamin K is to assist in the addition of gamma carboxylate groups to glutamic acids in the "GLA" domains of these factors...
November 8, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/29100749/presence-of-benzophenones-commonly-used-as-uv-filters-and-absorbers-in-paired-maternal-and-fetal-samples
#4
M Krause, H Frederiksen, K Sundberg, F S Jørgensen, L N Jensen, P Nørgaard, C Jørgensen, P Ertberg, A Juul, K T Drzewiecki, N E Skakkebaek, A M Andersson
BACKGROUND: Previous studies have demonstrated widespread exposure of humans to certain benzophenones commonly used as UV filters or UV absorbers; some of which have been demonstrated to have endocrine disrupting abilities. OBJECTIVES: To examine whether benzophenones present in pregnant women pass through the placental barrier to amniotic fluid and further to the fetal blood circulation. METHODS: A prospective study of 200 pregnant women with simultaneously collected paired samples of amniotic fluid and maternal serum and urine...
January 2018: Environment International
https://www.readbyqxmd.com/read/29096233/parvovirus-b19-infection-in-pregnancy-awareness-and-opportunities
#5
REVIEW
Francesca Bonvicini, Gloria Bua, Giorgio Gallinella
Parvovirus B19 (B19V) is a human pathogenic virus associated with a wide range of clinical conditions. In pregnancy, B19V poses a potential hazard to the fetus as crossing the placental barrier and infecting erythroid progenitor cells in bone marrow and liver, it blocks fetal erythropoiesis leading to profound anemia, hydrops and/or fetal death. The virus is not regarded as a teratogen, however more scientific awareness is emerging on mechanisms and consequences of intrauterine infection and possible sequelae in the neonatal development...
October 26, 2017: Current Opinion in Virology
https://www.readbyqxmd.com/read/29089896/a-comparative-study-on-fetal-heart-rates-estimated-from-fetal-phonography-and-cardiotocography
#6
Emad A Ibrahim, Shamsa Al Awar, Zuhur H Balayah, Leontios J Hadjileontiadis, Ahsan H Khandoker
The aim of this study is to investigate that fetal heart rates (fHR) extracted from fetal phonocardiography (fPCG) could convey similar information of fHR from cardiotocography (CTG). Four-channel fPCG sensors made of low cost (<$1) ceramic piezo vibration sensor within 3D-printed casings were used to collect abdominal phonogram signals from 20 pregnant mothers (>34 weeks of gestation). A novel multi-lag covariance matrix-based eigenvalue decomposition technique was used to separate maternal breathing, fetal heart sounds (fHS) and maternal heart sounds (mHS) from abdominal phonogram signals...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29078943/update-on-fetal-monitoring-overview-of-approaches-and-management-of-category-ii-tracings
#7
REVIEW
Nandini Raghuraman, Alison G Cahill
Electronic fetal monitoring (EFM) is widely used to assess fetal status in labor. Use of intrapartum continuous EFM is associated with a lower risk of neonatal seizures but a higher risk of cesarean or operative delivery. Category II fetal heart tracings (FHTs) are indeterminate in their ability to predict fetal acidemia. Certain patterns of decelerations and variability within this category may be predictive of neonatal morbidity. Adjunct tests of fetal well-being can be used during labor to further triage patients...
December 2017: Obstetrics and Gynecology Clinics of North America
https://www.readbyqxmd.com/read/29066312/dicer1-ablation-in-osterix-positive-bone-forming-cells-affects-cortical-bone-homeostasis
#8
Ameya Bendre, Niko Moritz, Vilma Väänänen, Jorma A Määttä
The RNAse III enzyme Dicer plays a major role in the processing of microRNAs from large pre-miRNAs. Dicer1 processed microRNAs are known to play a comprehensive role in osteoblast differentiation, bone remodeling and skeletal disorders. Targeted deletion of Dicer1 in osteo-progenitor cells is deleterious to fetal survival whereas targeted deletion in mature osteoblasts leads to an increase in bone mass. To address the role of Dicer1 in post-natal skeletal homeostasis, we generated a pre-osteoblast specific Dicer1 knockout model employing Tamoxifen controllable Cre allele, enabling us, via tamoxifen administration, to time-controllably ablate Dicer1 gene expression in osterix expressing bone forming cells in post-natal mice...
October 21, 2017: Bone
https://www.readbyqxmd.com/read/29060433/ctg-analyzer-a-graphical-user-interface-for-cardiotocography
#9
Agnese Sbrollini, Angela Agostinelli, Luca Burattini, Micaela Morettini, Francesco Di Nardo, Sandro Fioretti, Laura Burattini
Cardiotocography (CTG) is the most commonly used test for establishing the good health of the fetus during pregnancy and labor. CTG consists in the recording of fetal heart rate (FHR; bpm) and maternal uterine contractions (UC; mmHg). FHR is characterized by baseline, baseline variability, tachycardia, bradycardia, acceleration and decelerations. Instead, UC signal is characterized by presence of contractions and contractions period. Such parameters are usually evaluated by visual inspection. However, visual analysis of CTG recordings has a well-demonstrated poor reproducibility, due to the complexity of physiological phenomena affecting fetal heart rhythm and being related to clinician's experience...
July 2017: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/29040895/economic-analysis-of-prenatal-screening-strategies-for-down-syndrome-in-singleton-pregnancies-in-turkey
#10
Zeynep Güldem Ökem, Gökçen Örgül, Berna Tari Kasnakoglu, Mehmet Çakar, M Sinan Beksaç
OBJECTIVES: To examine the costs and outcomes of different screening strategies for Down Syndrome (DS) in singleton pregnancies. STUDY DESIGN: A decision-analytic model was developed to compare the costs and the outcomes of different prenatal screening strategies. Five strategies were compared for women under 35-year of age: 1A) triple test (TT), 2A); combined test (CT), 3A) Non-invasive Prenatal Screening Test by using cell free fetal DNA (NIPT), 4A) and 5A) NIPT as a second-step screening for high-risk patients detected by either TT, or CT respectively...
October 5, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29037544/effects-of-pushing-techniques-during-the-second-stage-of-labor-a%C3%A2-randomized-controlled-trial
#11
Refika Genç Koyucu, Nurdan Demirci
OBJECTIVE: Spontaneous pushing is a method that is used in the management of the second stage of labor and suggested to be more physiological for the mother and infant. The present study aims to evaluate the effects of pushing techniques on the mother and newborn. MATERIALS AND METHODS: This randomized prospective study was performed between June 2013-March 2014 in a tertiary maternity clinic in Istanbul. 80 low risk, nulliparous cases were randomized to pushing groups...
October 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29032050/positive-predictive-value-estimates-for-cell-free-noninvasive-prenatal-screening-from-data-of-a-large-referral-genetic-diagnostic-laboratory
#12
Andrea K Petersen, Sau Wai Cheung, Janice L Smith, Weimin Bi, Patricia A Ward, Sandra Peacock, Alicia Braxton, Ignatia B Van Den Veyver, Amy M Breman
BACKGROUND: Since its debut in 2011, cell-free fetal DNA screening has undergone rapid expansion with respect to both utilization and coverage. However, conclusive data regarding the clinical validity and utility of this screening tool, both for the originally included common autosomal and sex-chromosomal aneuploidies as well as the more recently added chromosomal microdeletion syndromes, have lagged behind. Thus, there is a continued need to educate clinicians and patients about the current benefits and limitations of this screening tool to inform pre- and posttest counseling, pre/perinatal decision making, and medical risk assessment/management...
October 13, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29025835/the-climb-complex-lipids-in-mothers-and-babies-study-protocol-for-a-multicentre-three-group-parallel-randomised-controlled-trial-to-investigate-the-effect-of-supplementation-of-complex-lipids-in-pregnancy-on-maternal-ganglioside-status-and-subsequent-cognitive
#13
Shuai Huang, Ting-Ting Mo, Tom Norris, Si Sun, Ting Zhang, Ting-Li Han, Angela Rowan, Yin-Yin Xia, Hua Zhang, Hong-Bo Qi, Philip N Baker
INTRODUCTION: Complex lipids are important constituents of the central nervous system. Studies have shown that supplementation with complex milk lipids (CML) in pregnancy may increase the level of fetal gangliosides (GA), with the potential to improve cognitive outcomes. METHODS AND ANALYSIS: We aim to recruit approximately 1500 pregnant women in the first trimester (11-14 weeks) and randomise them into one of the three treatment groups: standard maternal milk formulation, CML-enhanced maternal milk formulation or no maternal milk intervention with standard pregnancy advice (ie, the standard care)...
October 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/29025527/-being-a-mother-after-35-years-will-it-be-different
#14
Bárbara Marques, Francisca Palha, Edgar Moreira, Sandra Valente, Margarida Abrantes, Joana Saldanha
INTRODUCTION: Advanced maternal age is defined as maternity after 35 years old and is associated with more complications during pregnancy and neonatal period as well as decreased fertility. This study aims to examine the relationship between advanced maternal age and their maternal and fetal consequences, as well as maternal perception of the risk of pregnancy after 35 years old. MATERIAL AND METHODS: Observational, retrospective and comparative study, between two groups: advanced maternal age group (aged ≥ 35 years) and non-advanced maternal age group (age < 35 years), conducted between March and June 2015...
September 29, 2017: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/28982731/studies-in-genetically-modified-mice-implicate-maternal-hdl-as-a-mediator-of-fetal-growth
#15
Sandra L Rebholz, John T Melchior, W Sean Davidson, Helen N Jones, Jeffrey A Welge, Andrew M Prentice, Sophie E Moore, Laura A Woollett
Studies in humans have shown a direct association between maternal plasma cholesterol concentrations and infant birthweight. Similarly, previous studies in our laboratory have shown that chow-fed mice lacking apolipoprotein (apo) A-I, the major protein in HDL, have low HDL-cholesterol (HDL-C) concentrations and smaller fetuses in midgestation. In the current study, we measured fetal weights in mice with varying levels of apoA-I gene dose (knockout, wild-type, and transgenic) and examined metabolic pathways known to affect fetal growth...
October 5, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28964296/piezoelectric-vibrator-stimulated-potential-and-heart-rate-accelerations-detected-from-the-fetus
#16
Rina Matsuoka, Sinyoung Lee, Miho Sato, Remi Hibiya, Yota Shimanuki, Misato Kasai, Kazusaku Kamiya, Atsuo Itakura, Takuji Koike, Katsuhisa Ikeda
OBJECTIVES: The fetus is well known to have a substantial capacity for sound recognition in the uterine environment. The aim of this study was to develop a sound stimulus system equipped with a piezoelectric vibrator (PV), record the PV-stimulated potential (PVSP) of the fetus and monitor changes of the fetal heart rate (FHR) under PV stimulation. METHODS: The relationship between the input voltage applied to a piezoelectric vibrator and the sound pressure generated in the uterus was calibrated based on a model of the maternal abdomen...
October 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28959681/toxicological-evaluation-of-the-flavour-ingredient-n-1-4-amino-2-2-dioxido-1h-benzo-c-1-2-6-thiadiazin-5-yl-oxy-2-methylpropan-2-yl-2-6-dimethylisonicotinamide-s2218
#17
Donald S Karanewsky, Guy Servant, Hanghui Liu, Bert Chi, Lily Ida, Michael Saganich, Sara Werner, Joseph R Fotsing, Andrew Patron, Catherine Tachdjian, Amy Arthur
A toxicological evaluation of N-(1-((4-amino-2,2-dioxido-1H-benzo[c][1,2,6]thiadiazin-5-yl)oxy)-2-methylpropan-2-yl)-2,6-dimethylisonicotinamide (S2218; CAS 1622458-34-7), a flavour with modifying properties, was completed for the purpose of assessing its safety for use in food and beverage applications. S2218 exhibited minimal oxidative metabolism in vitro, and in rat pharmacokinetic studies, the compound was poorly orally bioavailable and rapidly eliminated. S2218 was not found to be mutagenic in an in vitro bacterial reverse mutation assay, and was found to be neither clastogenic nor aneugenic in an in vitro mammalian cell micronucleus assay...
2017: Toxicology Reports
https://www.readbyqxmd.com/read/28956137/deleterious-impact-of-maternal-hepatitis-c-viral-infection-on-maternal-and-fetal-outcome-a-5-year-prospective-study
#18
Mohamed Rezk, Zein Omar
OBJECTIVE: To assess prospectively the maternal and fetal outcome among pregnant women with chronic Hepatitis-C virus (HCV) infection compared to normal control group. METHODS: A prospective observational study conducted on 342 pregnant women with HCV who were divided into two groups according to polymerase chain reaction (PCR) result, group 1 (n = 184, HCV-PCR negative) and group 2 (n = 154, HCV-PCR positive) with a third group of normal pregnant women (n = 170)...
December 2017: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/28944967/risk-for-chromosomal-aberrations-in-apparently-isolated-intrauterine-growth-restriction-a-systematic-review
#19
REVIEW
Lena Sagi-Dain, Amir Peleg, Shlomi Sagi
OBJECTIVE: To perform a systematic review examining the risk of chromosomal aberrations in apparently isolated intrauterine growth restriction (IUGR). METHODS: Search was conducted by research librarian in 5 databases. By independent screening of 2894 references, 2 investigators selected original studies examining the risk of chromosomal aberrations in apparently isolated IUGR diagnosed at the second and third trimesters by using ultrasound. We excluded studies describing IUGR combined with additional fetal anomalies detected by ultrasound and those where fetuses with structural anomalies or aneuploidy were not reported...
September 25, 2017: Prenatal Diagnosis
https://www.readbyqxmd.com/read/28936585/understanding-intestinal-glucose-transporter-expression-in-obese-compared-to-non-obese-subjects
#20
Rebecca A Deal, Yueming Tang, Reid Fletcher, Alfonso Torquati, Philip Omotosho
INTRODUCTION: The impact of Roux-en-Y gastric bypass (RYGB) on weight loss and co-morbid disease resolution is well established. However, the mechanisms underlying the procedure remain incompletely understood. Intestinal remodeling involving glucose transporters (GLUTs) may play a crucial role. Rat studies have demonstrated morphological adaptation of GLUTs within adipose and intestinal cells in association with the reprogramming of glucose metabolism. There is a limited understanding of the variations in expression amongst GLUT family receptors in the human intestine...
September 21, 2017: Surgical Endoscopy
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