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Fetal compromise

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https://www.readbyqxmd.com/read/28208944/the-effect-of-fetal-gender-on-the-delivery-outcome-in-primigravidae-women-with-induced-labours-for-all-indications
#1
Angeliki Antonakou, Dimitrios Papoutsis
INTRODUCTION: There is increasing evidence of a gender-related phenomenon where the presence of a male fetus may have an adverse effect on the outcome of pregnancy. AIM: The aim of this study was to investigate the effect of fetal gender on the delivery outcome in primigravidae women with induced labours. MATERIALS AND METHODS: This was an observational cohort study of primigravidae women who had Induction Of Labour (IOL) for all indications during a two-year period...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28192175/increased-anxiety-like-phenotype-in-female-guinea-pigs-following-reduced-neurosteroid-exposure-in-utero
#2
Angela L Cumberland, Hannah K Palliser, Gabrielle K Crombie, David W Walker, Jonathan J Hirst
Neurosteroids are essential for aiding proper fetal neurodevelopment. Pregnancy compromises such as preterm birth, prenatal stress and intrauterine growth restriction are associated with an increased risk of developing behavioural and mood disorders, particularly during adolescence. These pathologies involve the premature loss or alteration of trophic steroid hormones reaching the fetus leading to impaired neurodevelopment. While the specific programming mechanisms are yet to be fully elucidated, in adult life, dysfunctions of allopregnanolone action are prevalent in individuals with depression, post-traumatic stress disorder and anxiety disorders...
February 9, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/28191323/autonomic-imbalance-captures-maternal-and-fetal-circulatory-response-to-pre-eclampsia
#3
Igor Lakhno
BACKGROUND: Pre-eclampsia (PE) is a gestational disease featured by hypertension, arterial systemic vasculopathy, multiple organ failure and fetal compromise. The aim of the investigation was to determine the role of maternal respiratory sinus arrhythmia (RSA) in regulation of the fetal circulatory system in case of healthy pregnancy and in PE. METHODS: The investigation of maternal and fetal HRV and fetal CTG variables in 106 patients at 34-40 weeks of gestation was performed...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28189027/the-flame-retardant-2-2-4-4-tetrabromodiphenyl-ether-enhances-the-expression-of-corticotropin-releasing-hormone-in-the-placental-cell-model-jeg-3
#4
Yun Zhu, Yan Qin Tan, Chi Chiu Wang, Lai K Leung
Polybrominated diphenyl ethers (PBDEs) are chemicals used as flame retardants in household products. After disposing of these items, PBDEs leach from the products by surface water. BDE-47 is a PBDE congener commonly isolated from contaminated food and is the most studied isomer. The placenta is the major source of hormones during pregnancy, and an elevated level of corticotrophin-releasing hormone (CRH) is associated with premature delivery. In the present study, we examined changes in the placental CRH expression under BDE-47 exposure in the JEG-3 cell model system...
January 31, 2017: Chemosphere
https://www.readbyqxmd.com/read/28169274/armc5-deletion-causes-developmental-defects-and-compromises-t-cell-immune-responses
#5
Yan Hu, Linjiang Lao, Jianning Mao, Wei Jin, Hongyu Luo, Tania Charpentier, Shijie Qi, Junzheng Peng, Bing Hu, Mieczyslaw Martin Marcinkiewicz, Alain Lamarre, Jiangping Wu
Armadillo repeat containing 5 (ARMC5) is a cytosolic protein with no enzymatic activities. Little is known about its function and mechanisms of action, except that gene mutations are associated with risks of primary macronodular adrenal gland hyperplasia. Here we map Armc5 expression by in situ hybridization, and generate Armc5 knockout mice, which are small in body size. Armc5 knockout mice have compromised T-cell proliferation and differentiation into Th1 and Th17 cells, increased T-cell apoptosis, reduced severity of experimental autoimmune encephalitis, and defective immune responses to lymphocytic choriomeningitis virus infection...
February 7, 2017: Nature Communications
https://www.readbyqxmd.com/read/28165176/cardiotocographic-parameters-in-small-for-gestational-age-fetuses-how-do-they-vary-from-normal-at-different-gestational-ages-a-study-of-11687-fetuses-from-25-to-40-weeks-of-pregnancy
#6
Célia Amorim-Costa, Diogo Ayres de Campos, João Bernardes
AIM: The aim of this study was to assess how cardiotocographic (CTG) parameters differ between small-for-gestational-age (SGA) and normal fetuses at different gestational ages. METHODS: This was a retrospective cross-sectional study using the first antepartum tracing of singleton pregnancies with no malformations. Fetuses with birthweight ≥10th percentile for gestational age and other normal pregnancy outcome criteria (term birth, normal umbilical artery pH and Apgar scores, no intensive care unit admission) were compared with fetuses with birthweight <10th and <3rd percentiles for gestational age (SGA < p10 and SGA < p3, a subgroup of the latter)...
February 6, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28162972/novel-strategies-to-prevent-stillbirth
#7
REVIEW
Jane Warland, Edwin A Mitchell, Louise M O'Brien
This article reviews three new and emerging risk factors for stillbirth that may be modifiable or might identify a compromised fetus. We focus on fetal movements, maternal sleep, and maternal diet. Recent studies have suggested than a sudden increase in vigorous fetal activity may be associated with increased risk of stillbirth. We review the papers that have reported this finding and discuss the implications as well as potential future directions for research. There is emerging literature to suggest that maternal sleep position may be a risk for stillbirth, especially if the woman settles to sleep supine...
February 2, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28157488/placental-stem-villus-arterial-remodeling-associated-with-reduced-hydrogen-sulfide-synthesis-contributes-to-human-fetal-growth-restriction
#8
Liangjian Lu, John Kingdom, Graham J Burton, Tereza Cindrova-Davies
Intrauterine fetal growth restriction (IUGR) is often associated with compromised umbilical arterial flow, indicating increased placental vascular resistance. Oxidative stress is causatively implicated. Hydrogen sulfide maintains differentiated smooth muscle in vascular beds, and its synthetic enzyme cystathionine-γ-lyase (CSE) is down-regulated in growth-restricted placentas. We hypothesized that remodeling of resistance arteries in stem villi contributes to IUGR by compromising umbilical blood flow via oxidative stress, reducing hydrogen sulfide signaling...
January 31, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28157275/continuous-cardiotocography-ctg-as-a-form-of-electronic-fetal-monitoring-efm-for-fetal-assessment-during-labour
#9
REVIEW
Zarko Alfirevic, Declan Devane, Gillian Ml Gyte, Anna Cuthbert
BACKGROUND: Cardiotocography (CTG) records changes in the fetal heart rate and their temporal relationship to uterine contractions. The aim is to identify babies who may be short of oxygen (hypoxic) to guide additional assessments of fetal wellbeing, or determine if the baby needs to be delivered by caesarean section or instrumental vaginal birth. This is an update of a review previously published in 2013, 2006 and 2001. OBJECTIVES: To evaluate the effectiveness and safety of continuous cardiotocography when used as a method to monitor fetal wellbeing during labour...
February 3, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28131724/insights-in-spatio-temporal-characterization-of-human-fetal-neural-stem-cells
#10
Raquel Martín-Ibáñez, Inés Guardia, Mónica Pardo, Cristina Herranz, Rike Zietlow, Ngoc-Nga Vinh, Anne Rosser, Josep M Canals
Primary human fetal cells have been used in clinical trials of cell replacement therapy for the treatment of neurodegenerative disorders such as Huntington's disease (HD). However, human fetal primary cells are scarce and difficult to work with and so a renewable source of cells is sought. Human fetal neural stem cells (hfNSCs) can be generated from human fetal tissue, but little is known about the differences between hfNSCs obtained from different developmental stages and brain areas. In the present work we characterized hfNSCs, grown as neurospheres, obtained from three developmental stages: 4-5, 6-7 and 8-9weeks post conception (wpc) and four brain areas: forebrain, cortex, whole ganglionic eminence (WGE) and cerebellum...
January 25, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28121831/committee-opinion-no-687-approaches-to-limit-intervention-during-labor-and-birth
#11
(no author information available yet)
Obstetrician-gynecologists, in collaboration with midwives, nurses, patients, and those who support them in labor, can help women meet their goals for labor and birth by using techniques that are associated with minimal interventions and high rates of patient satisfaction. Many common obstetric practices are of limited or uncertain benefit for low-risk women in spontaneous labor. For women who are in latent labor and are not admitted, a process of shared decision making is recommended. Admission during the latent phase of labor may be necessary for a variety of reasons...
February 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28121830/committee-opinion-no-687-summary-approaches-to-limit-intervention-during-labor-and-birth
#12
(no author information available yet)
Obstetrician-gynecologists, in collaboration with midwives, nurses, patients, and those who support them in labor, can help women meet their goals for labor and birth by using techniques that are associated with minimal interventions and high rates of patient satisfaction. Many common obstetric practices are of limited or uncertain benefit for low-risk women in spontaneous labor. For women who are in latent labor and are not admitted, a process of shared decision making is recommended. Admission during the latent phase of labor may be necessary for a variety of reasons...
February 2017: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28115639/combined-effects-of-gestational-phthalate-exposure-and-zinc-deficiency-on-steroid-metabolism-and-growth
#13
J Nuttall, H R Kucera, S Supasai, N W Gaikwad, P I Oteiza
Disruption of steroid hormone signaling has been implicated independently in the developmental abnormalities resulting from maternal phthalate plasticizer exposure and developmental zinc deficiency. This study investigated if secondary zinc deficiency may result from dietary exposure to a low level of DEHP through gestation and if this could be associated with altered steroid metabolism. The interaction between marginal zinc nutrition and DEHP exposure to affect pregnancy outcome, zinc status, and steroid metabolism was also assessed...
January 23, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28070708/delayed-treatment-of-undescended-testes-may-promote-hypogonadism-and-infertility
#14
Julia Rohayem, Alessandra Luberto, Eberhard Nieschlag, Michael Zitzmann, Sabine Kliesch
CONTEXT: Undescended testes at birth may be caused by testosterone deficiency during fetal development. It is unclear whether the process of failed descent contributes to permanent endocrine impairment. OBJECTIVES: To evaluate the impact of age at treatment of undescended testes on endocrine and spermatogenic testicular function in middle-aged men. PATIENTS AND METHODS: Reproductive hormone and semen data of 357 men with previously undescended testes were evaluated with respect to age at correction of testicular position and compared to those of 709 controls with eutopic testes at birth and normozoospermia...
January 9, 2017: Endocrine
https://www.readbyqxmd.com/read/28065366/-characteristics-of-induced-labors-at-marqu%C3%A3-s-de-valdecilla-university-hospital
#15
Marta González-Maestro, Izaskun Laurrieta-Saiz, Casandra García-González, Marta López-Mirones, Oihane Terán-Muñoz, Alicia Alonso-Salcines
OBJECTIVE: Induction of labor (IOL) is a common obstetric practice which has increased in recent decades. The main objective of this study is to describe the characteristics of induced labor at Marqués de Valdecilla University Hospital. METHOD: A descriptive, retrospective study was performed between January 1st and April 30t(h) of 2014, by reviewing medical histories. A standardised registration has been used to collect data. RESULTS: There were a total of 376 IOL, the incidence was 35...
January 3, 2017: Enfermería Clínica
https://www.readbyqxmd.com/read/28056853/maternal-asian-ethnicity-and-obstetric-intrapartum-intervention-a-retrospective-cohort-study
#16
Maya Reddy, Euan M Wallace, Joanne C Mockler, Lynne Stewart, Michelle Knight, Ryan Hodges, Sasha Skinner, Miranda Davies-Tuck
BACKGROUND: Maternal ethnicity is a recognized risk factor for stillbirth, such that South Asian women have higher rates than their Caucasian counterparts. However, whether maternal ethnicity is a risk factor for intrapartum outcomes is less clear. The aim of this study is to explore associations between maternal country of birth, operative vaginal delivery and emergency cesarean section, and to identify possible mechanisms underlying any such associations. METHODS: We performed a retrospective cohort study of singleton term births among South Asian, South East/East Asian and Australian/New Zealand born women at an Australian tertiary hospital in 2009-2013...
January 5, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28046002/competition-for-materno-fetal-resource-partitioning-in-a-rabbit-model-of-undernourished-pregnancy
#17
Jorge Lopez-Tello, Maria Arias-Alvarez, Maria Angeles Jimenez-Martinez, Rosa Maria Garcia-Garcia, Maria Rodriguez, Pedro Luis Lorenzo Gonzalez, Ruben Bermejo-Poza, Antonio Gonzalez-Bulnes, Pilar Garcia Rebollar
The major goal of animal production is to obtain abundant and healthy meat for consumers. Maternal food restriction (MFR) is often applied in farms to reduce production costs. However, the suitability of MFR in livestock animals is questionable, as this management may compromise maternal fitness due to a severe negative energetic balance and can induce Intrauterine Growth Restriction (IUGR) and prenatal programming in the offspring. Here, we sought to determine, using pregnant rabbits, the consequences of MFR on maternal endocrine and metabolic status and conceptus development...
2017: PloS One
https://www.readbyqxmd.com/read/28043350/evaluation-of-changes-in-doppler-ultrasonography-indices-and-levels-of-maternal-serum-angiogenic-factors-throughout-pregnancy-in-ewes
#18
Özge Turna Yilmaz, Mehmet Can Gündüz, Gamze Evkuran Dal, Melih Uçmak, Zeynep Günay Uçmak, Esra Karaçam, Güven Kaşikçi, Mehmet Ragip Kiliçarslan
We evaluated the changes in the pulsatility index (PI) and resistance index (RI) of fetal and maternal vessels and maternal serum angiogenic factors throughout pregnancy in 20 Kivircik ewes. They were examined for pregnancy detection on Day 30 after mating. The PI and RI during the pregnancies were followed using Doppler ultrasonography (USG) of the uterine artery, umbilical artery, fetal aorta, and fetal vena cava. Doppler USG was performed every 15 days beginning from the 40th day after mating. Blood samples were collected every 15 days starting from the day of mating...
February 2017: Theriogenology
https://www.readbyqxmd.com/read/28032647/fetal-hemodynamics-and-adverse-outcome-in-primary-school-aged-children-with-fetal-growth-restriction-a-prospective-longitudinal-study
#19
Noora Korkalainen, Juha Räsänen, Tuula Kaukola, Hanna Kallankari, Mikko Hallman, Kaarin Mäkikallio
INTRODUCTION: Fetal growth restriction is associated with short-term and long-term mortality and morbidity. We hypothesized that adverse outcome in children with fetal growth restriction at primary school age is associated with fetoplacental circulatory abnormalities. MATERIAL AND METHODS: Comprehensive ultrasonographic assessment of fetoplacental hemodynamics was performed in 72 growth-restricted fetuses prenatally, and short-term outcome data were collected. At the median age of 9 years, mortality and morbidity were determined using medical charts and questionnaires...
January 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28029583/acr-appropriateness-criteria-assessment-of-fetal-well-being
#20
Lynn Simpson, Nadia J Khati, Sandeep P Deshmukh, Kika M Dudiak, Mukesh G Harisinghani, Tara L Henrichsen, Benjamin J Meyer, David A Nyberg, Liina Poder, Thomas D Shipp, Carolyn M Zelop, Phyllis Glanc
Although there is limited evidence that antepartum testing decreases the risk for fetal death in low-risk pregnancies, women with high-risk factors for stillbirth should undergo antenatal fetal surveillance. The strongest evidence supporting antepartum testing pertains to pregnancies complicated by intrauterine fetal growth restriction secondary to uteroplacental insufficiency. The main ultrasound-based modalities to determine fetal health are the biophysical profile, modified biophysical profile, and duplex Doppler velocimetry...
October 28, 2016: Journal of the American College of Radiology: JACR
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