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https://www.readbyqxmd.com/read/28723688/trigonelline-inhibits-inflammation-and-protects-%C3%AE-cells-to-prevent-fetal-growth-restriction-during-pregnancy-in-a-mouse-model-of-diabetes
#1
Ji-Yin Zhou, Xiao-Huang Du, Zuo Zhang, Gui-Sheng Qian
BACKGROUND: As an active component from traditional Chinese medicine, trigonelline has a protective effect on diabetes. This study evaluated the protective effects of trigonelline on diabetic mice during pregnancy. METHODS: Diabetes was induced in female mice by intraperitoneal injection for continuous 5-day of 40 mg/kg/day streptozotocin. Female mice were divided into 4 groups after they were allowed to mate with normal male mice: nondiabetic, nondiabetic treated with trigonelline (70 mg/kg) for 18 days, diabetic, and diabetic treated with trigonelline (70 mg/kg)...
July 20, 2017: Pharmacology
https://www.readbyqxmd.com/read/28718893/association-between-maternal-vascular-murmur-and-the-small-for-gestational-age-fetus-with-abnormal-umbilical-artery-doppler-flow
#2
Diana Riknagel, Richard Farlie, Morten Hedegaard, Peter Humaidan, Johannes J Struijk
OBJECTIVE: To investigate the association between maternal vascular murmurs (MVMs) and fetal growth restriction (defined as small-for-gestational-age [SGA] fetus) and abnormal Doppler pulsatility index (PI) of the uterine and/or umbilical arteries. METHODS: A cross-sectional study of women aged 18 years or older with a singleton pregnancy at 28-34 weeks was conducted at Regional Hospital Viborg, Denmark, between May 1 and August 1, 2013. Ultrasound fetal biometry was performed and the Doppler PI of the umbilical and uterine arteries was determined...
July 18, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28718809/maternal-choline-supplementation-alters-fetal-growth-patterns-in-a-mouse-model-of-placental-insufficiency
#3
Julia H King, Sze Ting Cecilia Kwan, Jian Yan, Kevin C Klatt, Xinyin Jiang, Mark S Roberson, Marie A Caudill
Impairments in placental development can adversely affect pregnancy outcomes. The bioactive nutrient choline may mitigate some of these impairments, as suggested by data in humans, animals, and human trophoblasts. Herein, we investigated the effects of maternal choline supplementation (MCS) on parameters of fetal growth in a Dlx3+/- (distal-less homeobox 3) mouse model of placental insufficiency. Dlx3+/- female mice were assigned to 1X (control), 2X, or 4X choline intake levels during gestation. Dams were sacrificed at embryonic days E10...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28715964/uterine-and-abdominal-muscle-electromyographic-activities-in-control-and-pcea-treated-nulliparous-women-during-the-second-stage-of-labor
#4
Xueya Qian, Pin Li, Shao-Qing Shi, Robert E Garfield, Huishu Liu
OBJECTIVE: Patient-controlled epidural analgesia (PCEA), used to relieve pain during delivery, delays labor but the mechanism is unknown. The aim was to investigate the effects of PCEA on uterine and abdominal muscles electromyographic (EMG) activity during the second stage of labor. METHODS: This study included 45 nulliparous pregnant women without PCEA, 42 women with standard PCEA treatment given during the first stage of labor and stopped near the end of the first stage, and 22 women with standard PCEA treatment with continued use throughout the first and second stages of labor...
August 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28714492/estimated-fetal-weight-comparison-of-clinical-versus-ultrasound-estimate
#5
A Joshi, O B Panta, B Sharma
BACKGROUND: Accurate estimation of fetal weight is of paramount importance in the management of labour and delivery. METHODS: This was a cross sectional study conducted over a period of 6 months in a tertiary care teaching hospital. All singleton term mothers with cephalic presentation and intact membranes with ultrasound examination done within a week were included in the study. IUFD, multiple gestation, malpresentation, diagnosed oligohydramnios or polyhydramnios, pelvic and or abdominal masses, and current weight more than 80 Kgs were excluded from the study...
January 2017: Journal of Nepal Health Research Council
https://www.readbyqxmd.com/read/28708246/three-dimensional-power-doppler-evaluation-of-cerebral-vascular-blood-flow-a-novel-tool-in-the-assessment-of-fetal-growth-restriction
#6
Katherine R Goetzinger, Alison G Cahill, Linda Odibo, George A Macones, Anthony O Odibo
OBJECTIVES: To determine whether fetuses with fetal growth restriction (FGR) are more likely to have abnormal cerebral vascular flow patterns compared to fetuses who are appropriate for gestational age (AGA) when quantified by using 3-dimensional (3D) power Doppler ultrasound. METHODS: We conducted a prospective cohort study of singleton gestations presenting for growth ultrasound examination between 24 and 36 weeks' gestation. Patients with FGR (estimated fetal weight < 10th percentile) were enrolled and matched 1:1 for gestational age (±7 days) with AGA fetuses...
July 14, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28689327/in-utero-evidence-of-impaired-somatic-growth-in-hypoplastic-left-heart-syndrome
#7
Jourdan E Triebwasser, Marjorie C Treadwell
We hypothesized that fetuses with hypoplastic left heart syndrome (HLHS) have impaired growth compared to expected growth for gestational age. This is a retrospective cohort study including singleton fetuses with isolated HLHS identified from a single, referral center's ultrasound database. To account for variable timing of ultrasounds, z-scores for gestational age were assigned for each biometric parameter. We identified 169 fetuses, of which 96 had more than one ultrasound. The median number of ultrasound evaluations per fetus was 2 (range 1-5)...
July 8, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28688227/impact-factors-on-cervical-dilation-rates-in-the-first-stage-of-labor
#8
Jana Juhasova, Martina Kreft, Roland Zimmermann, Nina Kimmich
AIMS: To assess cervical dilation rates of nulliparous and multiparous women in the active first stage of labor and to evaluate significant impact factors. METHODS: In a retrospective cohort study between January 2007 and July 2014 at the University Hospital of Zurich in Switzerland, we analyzed 8378 women with singleton pregnancies in vertex presentation with a vaginal delivery at 34+0 to 42+5 gestational weeks. Median cervical dilation rates were calculated and different impact factors evaluated...
July 8, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28688099/increased-o-linked-n-acetylglucosamine-modification-of-nf-%C3%AE-b-and-augmented-cytokine-production-in-the-placentas-from-hyperglycemic-rats
#9
Vanessa Dela Justina, Jéssica S Gonçalves, Raiany Alves de Freitas, Adriany Dias Fonseca, Gustavo T Volpato, Rita C Tostes, Fernando S Carneiro, Victor Vitorino Lima, Fernanda R Giachini
Inflammation as a result of NF-κB activation may result from the classical (canonical) pathway, with disconnection of the IκB inhibitor and subsequent nuclear translocation or, alternatively, by post-translational modifications of modulatory proteins or NF-κB subunits (non-canonical pathway). We hypothesized that hyperglycemia-induced increased glycosylation with O-linked N-acetylglucosamine (O-GlcNAc) of NF-κB in placental tissue leads to augmented production of pro-inflammatory cytokines, culminating in placental dysfunction and fetal restriction growth...
July 8, 2017: Inflammation
https://www.readbyqxmd.com/read/28681467/proliferation-of-endogenous-regulatory-t-cells-improve-the-pathophysiology-associated-with-placental-ischaemia-of-pregnancy
#10
Tarek Ibrahim, Lukasz Przybyl, Ashlyn C Harmon, Lorena M Amaral, Jessica L Faulkner, Denise C Cornelius, Mark W Cunningham, Thomas Hünig, Florian Herse, Gerd Wallukat, Ralf Dechend, Babbette LaMarca
PROBLEM: Preeclampsia (PE) is associated with inflammation and decreased Treg cells and IL-10. The reduced uterine perfusion pressure (RUPP) rat model of PE exhibits these characteristics, and we hypothesized that induction of endogenous Tregs by a specific stimulus (CD28 superagonistic monoclonal antibody) would reduce inflammation, vasoactive factors, and hypertension in RUPP rats. METHOD OF STUDY: RUPP was performed at gestation day (GD) 14; CD28 superagonist was administered intraperitoneally GD15; GD18 carotid catheters were inserted, and GD19 MAP and pup weight, blood, and tissues were collected...
July 6, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28676532/decreased-pgf-may-contribute-to-trophoblast-dysfunction-in-fetal-growth-restriction
#11
Weibin Wu, Yueying Xu, Weiwei Cheng, Bo Yuan, Jiuru Zhao, Yanlin Wang, Huijuan Zhang
Fetal growth restriction (FGR) threatens perinatal health and is correlated with increased incidence of fetal-original adult diseases. Most cases of FGR were idiopathic, which were supposed to be associated with placental abnormality. Decreased circulating placental growth factor (PGF) was recognized as an indication of placental deficiency in FGR. In this study, the epigenetic regulation of PGF in FGR placentas and the involvement of PGF in modulation of trophoblast activity were investigated. The expression level of PGF in placental tissues was determined by RT-qPCR, immunohistochemistry and ELISA assay...
July 4, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28672751/sonographic-prediction-of-small-and-large-for-gestational-age-in-breech-presenting-fetuses
#12
Anat Shmueli, Amir Aviram, Ron Bardin, Kinneret Tenenbaum-Gavish, Arnon Wiznitzer, Rony Chen, Rinat Gabbay-Benziv
INTRODUCTION: To evaluate various sonographic estimated fetal weight (sEFW) formulas' accuracy for small- and large-for-gestational age (SGA/LGA) prediction in breech-presenting fetuses. MATERIALS AND METHODS: A retrospective analysis of all ultrasound-based fetal biometrical measurements performed within 3 days of delivery in term pregnancies, in one medical center (2007-2014). Overall, 274 breech-presenting fetuses (study group) were compared to 274 vertex-presenting fetuses (control group) matched by gender, gestational age and birth weight...
June 26, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28672412/abdominal-circumference-alone-versus-estimated-fetal-weight-after-24-weeks-to-predict-small-or-large-for-gestational-age-at-birth-a-meta-analysis
#13
Nathan R Blue, José M Pérez Yordan, Bradley D Holbrook, Pranita A Nirgudkar, Ellen L Mozurkewich
No abstract text is available yet for this article.
July 3, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28670938/the-effect-of-low-dose-aspirin-on-fetal-weight-of-idiopathic-asymmetrically-intrauterine-growth-restricted-fetuses-with-abnormal-umbilical-artery-doppler-indices-a-randomized-clinical-trial
#14
Mohammed K Ali, Ahmed M Abbas, Ali H Yosef, Mostafa Bahloul
OBJECTIVE: To investigate the effect of aspirin on fetal weight in fetuses with idiopathic asymmetrical intrauterine growth restriction (IUGR) complicated by abnormal umbilical artery Doppler indices. MATERIAL AND METHODS: The study was a randomized controlled trial conducted at Woman's Health Hospital, Assiut, Egypt, between June 2016 and the January 2017 included 60 pregnant women (28-30 weeks) with idiopathic asymmetrical IUGR associated with abnormal umbilical artery Doppler indices...
July 2, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28669063/maternal-undernutrition-during-the-pre-and-post-conception-periods-in-twin-bearing-hairsheep-ewes-effects-on-fetal-and-placental-development-at-mid-gestation
#15
Ulises Macías-Cruz, Ricardo Vicente-Pérez, Miguel Mellado, Abelardo Correa-Calderón, Cesar A Meza-Herrera, Leonel Avendaño-Reyes
To evaluate the effects of pre- and post-conception undernutrition (UN) on fetal and placental development at mid-gestation, 28 Katahdin × Pelibuey multiparous ewes were blocked by weight and assigned to the following four dietary treatments (n = 7 each): ewes fed 100% (control) or 60% of their nutritional requirements 30 days before mating (UNPre), 50 days after mating (UNPost) or during both periods (UNB). Four twin-bearing ewes were selected per treatment at day 50 post-conception and then slaughtered at day 75 of gestation to analyze their fetuses...
July 1, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28661576/physiological-alterations-associated-with-intrauterine-growth-restriction-in-fetal-pigs-causes-and-insights-for-nutritional-optimization
#16
REVIEW
Junjun Wang, Cuiping Feng, Ting Liu, Meng Shi, Guoyao Wu, Fuller W Bazer
Intrauterine growth restriction (IUGR) remains a major problem in swine production since the associated low birth weight leads to high rates of pre-weaning morbidity and mortality plus permanent retardation of growth and development. Complex biological events-including genetics, epigenetics, maternal maturity, maternal nutrition, placenta efficiency, uterine capacity, and other environmental factors-can affect fetal growth and development during late gestation, as well as maturity of oocytes, duration of estrus, and both implantation and placentation of conceptuses in uteri of sows...
June 29, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28655647/evaluation-of-the-effects-of-%C3%AE-cypermethrin-on-fetal-rat-testicular-steroidogenesis
#17
Anne-Marie Saillenfait, Jean-Philippe Sabaté, Flavien Denis, Guillaume Antoine, Alain Robert, Alain-Claude Roudot, Dieynaba Ndiaye, Ethel Eljarrat
Pregnant Sprague-Dawley rats were administered the insecticide α-cypermethrin at doses of 0.1, 1, 5, or 10mg/kg/day, or di-isobutyl phthalate (DIBP) at 250mg/kg/day, by gavage, from gestation day (GD) 13 to 19. Testicular testosterone production and the expression of several key genes related to cholesterol and androgen synthesis and transport were assessed in GD 19 male fetuses. Dams treated with 10mg/kg/day of α-cypermethrin showed clinical signs of neurotoxicity and reduced body weight gain. α-Cypermethrin had no significant effect on post-implantation loss, fetal weight, incidence of male fetuses per litter, or anogenital distance of the male fetuses...
June 24, 2017: Reproductive Toxicology
https://www.readbyqxmd.com/read/28651860/fractional-fetal-thigh-volume-in-the-prediction-of-normal-and%C3%A2-abnormal-fetal-growth-during-the-third-trimester-of%C3%A2-pregnancy
#18
Louise E Simcox, Jenny E Myers, Tim J Cole, Edward D Johnstone
BACKGROUND: Currently, 2-dimensional ultrasound estimation of fetal size rather than fetal growth is used to define fetal growth restriction, but single estimates in late pregnancy lack sensitivity and may identify small for gestational age rather than growth restriction. Single or longitudinal measures of 3-dimensional fractional thigh volume may address this problem. OBJECTIVE: We sought to derive normal values for 3-dimensional fractional thigh volume in the third trimester, determine if fractional thigh volume is superior to 2-dimensional ultrasound biometry alone for detecting fetal growth restriction, and determine whether individualized growth assessment parameters have the potential to identify fetal growth restriction remote from term delivery...
June 23, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28651830/maternal-plasma-n-3-and-n-6-polyunsaturated-fatty-acids-during-pregnancy-and-features-of-fetal-health-fetal-growth-velocity-birth-weight-and-duration-of-pregnancy
#19
Nina H Grootendorst-van Mil, Henning Tiemeier, Jolien Steenweg-de Graaff, Berthold Koletzko, Hans Demmelmair, Vincent W V Jaddoe, Eric A P Steegers, Régine P M Steegers-Theunissen
BACKGROUND & AIMS: Maternal fatty acids are essential for fetal growth and development. Here, we examine associations between maternal mid-pregnancy plasma n-3 and n-6 polyunsaturated fatty acids (PUFAs) and fetal health determined by fetal growth velocity, birth weight and duration of pregnancy. METHODS: Participants were 6974 pregnant women and their infants from a population-based birth cohort, the Generation R Study. Maternal plasma n-3:n-6 PUFA ratio and n-3 and n-6 PUFA percentage in glycerophospholipids in mid-pregnancy were related to fetal growth velocity calculated from repeatedly measured weight, length and head circumference, birth weight, and duration of pregnancy...
June 10, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28646626/sexual-dimorphism-in-umbilical-vein-blood-flow-during-the-second-half-of-pregnancy-a-longitudinal-study
#20
Christian Widnes, Kari Flo, Tom Wilsgaard, Anthony O Odibo, Ganesh Acharya
OBJECTIVES: To investigate gestational age-specific serial changes in umbilical vein (UV) volume blood flow during the second half of normal pregnancy and establish sex-specific reference ranges. METHODS: This work was a prospective longitudinal study of singleton low-risk pregnancies. The UV diameter and maximum blood flow velocity were serially measured by sonography at the intra-abdominal portion of the UV over 19 to 41 weeks. Umbilical vein volume blood flow was calculated and normalized for estimated fetal weight...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
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